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Woody Perennials
Pests & Diseases
for “Woody Perennials”
Penn State - Azalea and Rhododendron Diseases
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
University of Kentucky - Common Insect Pests of Azalea
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Azalea
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Penn State - Azalea and Rhododendron Diseases
University of Minnesota - Hibiscus | UMN Extension
University of Kentucky - Common Insect Pests of Hibiscus
University of Kentucky - Common Insect Pests of Azalea
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
University of Kentucky - Common Insect Pests of Azalea
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
University of Kentucky - Common Insect Pests of Hibiscus
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
Penn State - Azalea and Rhododendron Diseases
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
North Carollina State - Pests of Holly | NC State Extension Publications
University of Kentucky - Common Insect Pests of Azalea
Penn State - Holly Diseases
University of Minnesota - Hibiscus | UMN Extension
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
University of Kentucky - Common Insect Pests of Holly
University of Kentucky - Common Insect Pests of Azalea
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Clemson University - Hydrangea | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Azalea
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
University of Minnesota - Hibiscus | UMN Extension
North Carollina State - Pests of Holly | NC State Extension Publications
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
University of Kentucky - Common Insect Pests of Azalea
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
University of Kentucky - Common Insect Pests of Hibiscus
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
University of Connecticut - Hydrangea: Diseases and Pests
Penn State - Holly Diseases
Washington State University - WSU CAHNRS & WSU Extension Hortsense
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
Penn State - Hydrangea Diseases
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hydrangea—UC IPM
University of Kentucky - Common Insect Pests of Hydrangea
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
Penn State - Azalea and Rhododendron Diseases
University of Kentucky - Common Insect Pests of Holly
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hydrangea—UC IPM
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
Penn State - Azalea and Rhododendron Diseases
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
Clemson University - Hydrangea | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Hydrangea
University of Kentucky - Common Insect Pests of Azalea
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Oleander—UC IPM
University of Florida - Oleander - University of Florida, Institute of Food and Agricultural Sciences
Washington State University - WSU CAHNRS & WSU Extension Hortsense
Penn State - Hydrangea Diseases
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
University of Kentucky - Common Insect Pests of Holly
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Hibiscus
University of Kentucky - Common Insect Pests of Azalea
Penn State - Holly Diseases
Clemson University - Oleander | Home & Garden Information Center
University of Minnesota - Hibiscus | UMN Extension
North Carollina State - Pests of Holly | NC State Extension Publications
University of Connecticut - Hydrangea: Diseases and Pests
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Penn State - Hydrangea Diseases
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
University of Kentucky - Common Insect Pests of Azalea
University of Minnesota - Hibiscus | UMN Extension
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Oleander—UC IPM
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
Clemson University - Peonies | Home & Garden Information Center
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
Iowa State University - Peony Leaf Blotch | Horticulture and Home Pest News
University of Kentucky - Common Insect Pests of Hydrangea
Penn State - Peony Diseases
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Azalea
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Clemson University - Hydrangea | Home & Garden Information Center
Penn State - Azalea and Rhododendron Diseases
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
University of Kentucky - Common Insect Pests of Hibiscus
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
University of Kentucky - Common Insect Pests of Holly
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hydrangea—UC IPM
Penn State - Holly Diseases
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
Michigan State University - Red spot (Measles) of Peony - Plant & Pest Diagnostics
Clemson University - Oleander | Home & Garden Information Center
University of Connecticut - Peonies
University of Connecticut - Hydrangea: Diseases and Pests
North Carollina State - Pests of Holly | NC State Extension Publications
Washington State University - WSU CAHNRS & WSU Extension Hortsense
University of Florida - Oleander - University of Florida, Institute of Food and Agricultural Sciences
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Floriculture: Peony—UC IPM
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Iowa State University - Peony Leaf Blotch | Horticulture and Home Pest News
Washington State University - WSU CAHNRS & WSU Extension Hortsense
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
University of Connecticut - Peonies
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
University of Connecticut - Hydrangea: Diseases and Pests
Penn State - Azalea and Rhododendron Diseases
Clemson University - Peonies | Home & Garden Information Center
Michigan State University - Red spot (Measles) of Peony - Plant & Pest Diagnostics
University of Kentucky - Common Insect Pests of Hydrangea
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
Clemson University - Hydrangea | Home & Garden Information Center
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Penn State - Peony Diseases
University of Kentucky - Common Insect Pests of Holly
University of Kentucky - Common Insect Pests of Azalea
North Carollina State - Pests of Holly | NC State Extension Publications
University of Kentucky - Common Insect Pests of Hibiscus
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hydrangea—UC IPM
Penn State - Hydrangea Diseases
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Floriculture: Peony—UC IPM
University of Kentucky - Common Insect Pests of Azalea
University of Minnesota - Hibiscus | UMN Extension
Clemson University - Oleander | Home & Garden Information Center
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
University of Florida - Oleander - University of Florida, Institute of Food and Agricultural Sciences
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Oleander—UC IPM
Penn State - Azalea and Rhododendron Diseases
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Penn State - Holly Diseases
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
University of Kentucky - Common Insect Pests of Hydrangea
University of Kentucky - Common Insect Pests of Holly
University of Georgia - Growing Bamboo in Georgia | UGA Cooperative Extension
Penn State - Azalea and Rhododendron Diseases
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
Clemson University - Hydrangea | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
University of Kentucky - Common Insect Pests of Azalea
University of Kentucky - Common Insect Pests of Hibiscus
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
University of California - Managing Pests in Gardens: Trees and Shrubs: Bamboo—UC IPM
University of Connecticut - Hydrangea: Diseases and Pests
University of Connecticut - Peonies
Penn State - Peony Diseases
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Washington State University - WSU CAHNRS & WSU Extension Hortsense
Penn State - Azalea and Rhododendron Diseases
University of Florida - Oleander - University of Florida, Institute of Food and Agricultural Sciences
University of Minnesota - Hibiscus | UMN Extension
Clemson University - Peonies | Home & Garden Information Center
Clemson University - Oleander | Home & Garden Information Center
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Penn State - Holly Diseases
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Oleander—UC IPM
University of Kentucky - Common Insect Pests of Azalea
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Penn State - Hydrangea Diseases
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Floriculture: Peony—UC IPM
Michigan State University - Red spot (Measles) of Peony - Plant & Pest Diagnostics
Iowa State University - Peony Leaf Blotch | Horticulture and Home Pest News
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hydrangea—UC IPM
North Carollina State - Pests of Holly | NC State Extension Publications
University of Florida - Oleander - University of Florida, Institute of Food and Agricultural Sciences
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Floriculture: Peony—UC IPM
Clemson University - Hardy Ferns | Home & Garden Information Center
Penn State - Azalea and Rhododendron Diseases
University of Connecticut - Hydrangea: Diseases and Pests
North Carollina State - Pests of Holly | NC State Extension Publications
Mississippi State University - Florida Fern Caterpillar | Vol. 3, No. 24 | Mississippi State University Extension Service
University of Minnesota - Hibiscus | UMN Extension
University of Kentucky - Common Insect Pests of Hibiscus
University of California - Managing Pests in Gardens: Trees and Shrubs: Bamboo—UC IPM
Penn State - Hydrangea Diseases
University of Kentucky - Common Insect Pests of Hydrangea
University of Connecticut - Peonies
Penn State - Azalea and Rhododendron Diseases
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
University of Georgia - Growing Bamboo in Georgia | UGA Cooperative Extension
Penn State - Holly Diseases
Washington State University - WSU CAHNRS & WSU Extension Hortsense
Penn State University - Fern Diseases
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
Iowa State University - Peony Leaf Blotch | Horticulture and Home Pest News
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hydrangea—UC IPM
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
University of Georgia - Growing Ferns | UGA Cooperative Extension
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Clemson University - Hydrangea | Home & Garden Information Center
Clemson University - Peonies | Home & Garden Information Center
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Holly
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Oleander—UC IPM
Penn State - Peony Diseases
Michigan State University - Red spot (Measles) of Peony - Plant & Pest Diagnostics
Clemson University - Oleander | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Azalea
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
University of Kentucky - Common Insect Pests of Azalea
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
University of Florida - Diseases of Leatherleaf Fern and Their Control
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Floriculture: Peony—UC IPM
Texas A&M University - Pests of Turfgrass « Landscape IPM
University of Connecticut - Hydrangea: Diseases and Pests
University of Kentucky - Common Insect Pests of Azalea
University of Connecticut - Peonies
Penn State University - Fern Diseases
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
Clemson University - Oleander | Home & Garden Information Center
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
North Carolina State University - Diseases of Cool-Season Grasses | NC State Extension Publications
Penn State - Azalea and Rhododendron Diseases
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
North Carollina State - Pests of Holly | NC State Extension Publications
Clemson University - Hydrangea | Home & Garden Information Center
University of California - Lawn Diseases: Prevention and Management Guidelines--UC IPM
University of Georgia - Growing Bamboo in Georgia | UGA Cooperative Extension
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Michigan State University - Red spot (Measles) of Peony - Plant & Pest Diagnostics
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
University of Kentucky - Common Insect Pests of Holly
Penn State University - Diseases of Forage Grasses in Humid Temperate Zones
University of Kentucky - Ornamental and Turfgrass Insect Pests - Kentucky Pesticide Safety Education
University of Florida - Oleander - University of Florida, Institute of Food and Agricultural Sciences
University of Florida - Diseases of Leatherleaf Fern and Their Control
Penn State - Holly Diseases
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hydrangea—UC IPM
University of Kentucky - Common Insect Pests of Hibiscus
University of California - Managing Pests in Gardens: Trees and Shrubs: Bamboo—UC IPM
University of Minnesota - Hibiscus | UMN Extension
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
University of California - Lawn Insect Management Guidelines--UC IPM
Penn State - Azalea and Rhododendron Diseases
Iowa State University - Peony Leaf Blotch | Horticulture and Home Pest News
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Oleander—UC IPM
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
Penn State - Hydrangea Diseases
University of Georgia - Growing Ferns | UGA Cooperative Extension
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Penn State - Peony Diseases
Clemson University - Peonies | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Azalea
Clemson University - Hardy Ferns | Home & Garden Information Center
Mississippi State University - Florida Fern Caterpillar | Vol. 3, No. 24 | Mississippi State University Extension Service
Washington State University - WSU CAHNRS & WSU Extension Hortsense
University of Kentucky - Common Insect Pests of Hydrangea
University of Georgia - Turfgrass Diseases: Quick Reference Guide | UGA Cooperative Extension
Clemson University - Ornamental Grasses and Grass-like Plants | Home & Garden Information Center
Penn State University - Fern Diseases
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Oleander—UC IPM
University of Minnesota - Hibiscus | UMN Extension
University of Kentucky - Common Insect Pests of Holly
Iowa State University - Peony Leaf Blotch | Horticulture and Home Pest News
University of Florida - Diseases of Leatherleaf Fern and Their Control
Clemson University - Hardy Ferns | Home & Garden Information Center
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
Penn State - Holly Diseases
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
Penn State - Azalea and Rhododendron Diseases
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Floriculture: Peony—UC IPM
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
University of Maine - Hosta Virus X - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension
University of Connecticut - Hydrangea: Diseases and Pests
University of Illinois - Ask Extension - hosta plants (Insects & Pests)
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Texas A&M University - Pests of Turfgrass « Landscape IPM
Penn State - Azalea and Rhododendron Diseases
University of Georgia - Growing Ferns | UGA Cooperative Extension
University of Georgia - Turfgrass Diseases: Quick Reference Guide | UGA Cooperative Extension
University of Kentucky - Common Insect Pests of Hibiscus
Penn State - Peony Diseases
Washington State University - WSU CAHNRS & WSU Extension Hortsense
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Penn State University - Hosta Diseases
University of Kentucky - Common Insect Pests of Azalea
Clemson University - Hosta | Home & Garden Information Center
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
Clemson University - Hydrangea | Home & Garden Information Center
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
University of California - Managing Pests in Gardens: Trees and Shrubs: Bamboo—UC IPM
Clemson University - Oleander | Home & Garden Information Center
University of Kentucky - Ornamental and Turfgrass Insect Pests - Kentucky Pesticide Safety Education
North Carolina State University - Diseases of Cool-Season Grasses | NC State Extension Publications
Penn State - Hydrangea Diseases
Michigan State University - Red spot (Measles) of Peony - Plant & Pest Diagnostics
Clemson University - Peonies | Home & Garden Information Center
Clemson University - Ornamental Grasses and Grass-like Plants | Home & Garden Information Center
University of Georgia - Growing Bamboo in Georgia | UGA Cooperative Extension
Mississippi State University - Florida Fern Caterpillar | Vol. 3, No. 24 | Mississippi State University Extension Service
University of Kentucky - Common Insect Pests of Azalea
University of California - Lawn Diseases: Prevention and Management Guidelines--UC IPM
University of California - Lawn Insect Management Guidelines--UC IPM
Clemson University - Hosta | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hydrangea—UC IPM
North Carollina State - Pests of Holly | NC State Extension Publications
Penn State University - Diseases of Forage Grasses in Humid Temperate Zones
University of Connecticut - Peonies
University of Florida - Oleander - University of Florida, Institute of Food and Agricultural Sciences
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Hydrangea
Clemson University - Hosta | Home & Garden Information Center
University of Georgia - Growing Bamboo in Georgia | UGA Cooperative Extension
University of California - Managing Pests in Gardens: Trees and Shrubs: Bamboo—UC IPM
University of Minnesota - Hibiscus | UMN Extension
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
University of Kentucky - Common Insect Pests of Hibiscus
Clemson University - Hydrangea | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hydrangea—UC IPM
University of Maine - Hosta Virus X - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension
North Carollina State - Pests of Holly | NC State Extension Publications
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
Washington State University - WSU CAHNRS & WSU Extension Hortsense
Michigan State University - Red spot (Measles) of Peony - Plant & Pest Diagnostics
University of Georgia - Growing Ferns | UGA Cooperative Extension
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
University of Illinois - Ask Extension - hosta plants (Insects & Pests)
University of Kentucky - Ornamental and Turfgrass Insect Pests - Kentucky Pesticide Safety Education
Penn State - Peony Diseases
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
Penn State - Azalea and Rhododendron Diseases
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
University of Hawaii - Diseases of Native Plants
Penn State University - Fern Diseases
Clemson University - Peonies | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Oleander—UC IPM
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
University of Florida - Diseases of Leatherleaf Fern and Their Control
University of Connecticut - Peonies
Washington State University - Beauty with Benefits – Native Plants for Beneficial Insects | WSU Tree Fruit | Washington State University
Texas A&M University - Pests of Turfgrass « Landscape IPM
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
Penn State University - Hosta Diseases
University of Kentucky - Common Insect Pests of Hydrangea
University of Kentucky - Common Insect Pests of Holly
University of Kentucky - Common Insect Pests of Azalea
University of Connecticut - Hydrangea: Diseases and Pests
Mississippi State University - Florida Fern Caterpillar | Vol. 3, No. 24 | Mississippi State University Extension Service
University of Florida - Oleander - University of Florida, Institute of Food and Agricultural Sciences
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Floriculture: Peony—UC IPM
Clemson University - Oleander | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Azalea
Penn State - Hydrangea Diseases
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
University of California - Lawn Insect Management Guidelines--UC IPM
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Clemson University - Hardy Ferns | Home & Garden Information Center
Clemson University - Ornamental Grasses and Grass-like Plants | Home & Garden Information Center
Iowa State University - Peony Leaf Blotch | Horticulture and Home Pest News
Clemson University - Hosta | Home & Garden Information Center
Penn State - Azalea and Rhododendron Diseases
University of California - Lawn Diseases: Prevention and Management Guidelines--UC IPM
North Carolina State University - Diseases of Cool-Season Grasses | NC State Extension Publications
Penn State University - Diseases of Forage Grasses in Humid Temperate Zones
Penn State - Holly Diseases
University of Georgia - Turfgrass Diseases: Quick Reference Guide | UGA Cooperative Extension
Penn State - Azalea and Rhododendron Diseases
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
University of Minnesota - Tree and shrub insects | UMN Extension
University of Florida - Oleander - University of Florida, Institute of Food and Agricultural Sciences
Penn State University - Diseases of Forage Grasses in Humid Temperate Zones
Washington State University - Beauty with Benefits – Native Plants for Beneficial Insects | WSU Tree Fruit | Washington State University
North Carolina State - Hibiscus Scentless Plant Bug | NC State Extension Publications
University of Maine - Hosta Virus X - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension
University of Illinois - Ask Extension - hosta plants (Insects & Pests)
Washington State University - WSU CAHNRS & WSU Extension Hortsense
Texas A&M University - Pests of Turfgrass « Landscape IPM
University of Arkansas - Common Tree Disease Problems | Symptoms and photos of tree disease
North Carollina State - Pests of Holly | NC State Extension Publications
North Carolina State University - Diseases of Cool-Season Grasses | NC State Extension Publications
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Holly—UC IPM
Clemson University - Ornamental Grasses and Grass-like Plants | Home & Garden Information Center
University of Connecticut - Peonies
Clemson University - Peonies | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Hydrangea
Penn State University - Hosta Diseases
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hydrangea—UC IPM
University of Kentucky - Ornamental and Turfgrass Insect Pests - Kentucky Pesticide Safety Education
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
University of California - Lawn Insect Management Guidelines--UC IPM
Clemson University - Azalea & Rhododendron Diseases | Home & Garden Information Center
University of Georgia - Growing Ferns | UGA Cooperative Extension
Oregon State - Azalea and Rhododendron Care and Culture | OSU Extension Catalog | Oregon State University
Penn State University - Invasive Tree Pests — York County Master Gardener Program — Penn State Extension
Iowa State University - Peony Leaf Blotch | Horticulture and Home Pest News
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Oleander—UC IPM
University of Kentucky - Common Insect Pests of Azalea
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
University of Georgia - Turfgrass Diseases: Quick Reference Guide | UGA Cooperative Extension
Clemson University - Hydrangea | Home & Garden Information Center
University of Florida - Diseases of Leatherleaf Fern and Their Control
Clemson University - Holly Diseases & Insect Pests | Home & Garden Information Center
University of Kentucky - Common Insect Pests of Hibiscus
University of Kentucky - Common Insect Pests of Holly
Penn State - Hydrangea Diseases
University of Connecticut - Hydrangea: Diseases and Pests
Mississippi State University - Florida Fern Caterpillar | Vol. 3, No. 24 | Mississippi State University Extension Service
Penn State University - Maple Diseases
University of Minnesota - Leaf spot diseases of trees and shrubs | UMN Extension
University of Kentucky - Common Insect Pests of Azalea
Penn State - Holly Diseases
Penn State University - Fern Diseases
Clemson University - Oleander | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Floriculture: Peony—UC IPM
Clemson University - Azalea & Rhododendron Insect Pests | Home & Garden Information Center
University of California - Managing Pests in Gardens: Trees and Shrubs: Bamboo—UC IPM
Clemson University - Hardy Ferns | Home & Garden Information Center
University of Georgia - Growing Bamboo in Georgia | UGA Cooperative Extension
University of Hawaii - Diseases of Native Plants
Penn State - Azalea and Rhododendron Diseases
University of Minnesota - Hibiscus | UMN Extension
University of Massachusetts - Landscape: Holly Leaf Spot | UMass Center for Agriculture, Food and the Environment
Penn State - Peony Diseases
University of California - Lawn Diseases: Prevention and Management Guidelines--UC IPM
Clemson University - Hosta | Home & Garden Information Center
Michigan State University - Red spot (Measles) of Peony - Plant & Pest Diagnostics
Clemson University - Hosta | Home & Garden Information Center
University of California Agriculture & Natrual Resources - Managing Pests in Gardens: Trees and Shrubs: Hibiscus—UC IPM
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