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Tomatoes

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Gardener's Supply Company

GARDENER'S Supply was founded in 1983 by a handful of enthusiastic Vermont gardeners. Today, we serve millions of gardeners nationwide, offering everything from seed-starting supplies, and garden furniture to flower supports and garden carts. Though our company has grown, we remain passionately committed to providing garden-tested, earth-friendly products that will help our customers have more fun and success in their gardens.

Gardener's Supply is proud to be employee-owned. We are gardeners ourselves and have earned our customers' trust by providing high-quality products, expert information, and friendly, personalized service.

We understand the products we sell because we use them in our own gardens. Regular product training sessions and a gardening certification program for our staff help us provide the best service and support in the business.
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W.H. Perron

Browse the wh perron 2018 catalog to discover what's new; annual, biennial and perennial flower seeds; our impressive section of vegetables; essential herbs; the very popular germs and shoots; the winning varieties fleuroselect and all america; spectacular novelties, organic products, the favorites of our heritage; the succulent berries and a range of indoor and outdoor gardening accessories, essential for all gardeners.
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Urban Harvest

At urban harvest, we are dedicated to providing our customers with certified organic seeds, seedlings and garden supplies that promote ecological diversity and preserve the health of our planet.our organic and heirloom varieties are specially chosen for their unique qualities for both urban gardens and market gardeners
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Otis S. Twilley Seed Company

Twilley seed offers over 1400 varieties of vegetable, herb, gourd and flower seed.
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Tomatoes Pests & Diseases

  • Clemson University - Tomato | Home & Garden Information Center
  • Penn State - Tomato | Diseases and Pests, Description, Uses, Propagation
  • Texas A&M - Tomato | Texas Plant Disease Handbook
  • University of Minnesota - Growing tomatoes in home gardens | UMN Extension
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Tomatoes Growing Guides

  • University of Arizona - Growing Tomatoes | Cooperative Extension | The University of Arizona
  • University of Minnesota - Growing tomatoes in home gardens | UMN Extension
  • University of Illinois - How to Grow Tomatoes: University of Illinois Extension
  • Garden Savvy - How to Grow Tomatoes
  • Clemson University - Tomato | Home & Garden Information Center
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Tomatoes were cultivated from a wild plant native to South America and were grown by the Aztecs and throughout the Americas. They were slow to be adopted in Europe because it was thought they were poisonous. They are related to the nightshade, and the leaves and stems are poisonous, so don’t let your pets eat the leaves or stems! With a few exceptions, tomatoes were not widely adopted in the West, including the United States, until the 1800s. Today, tomatoes are probably the most commonly planted vegetable for at-home gardening, and you could argue that there are more varieties of tomatoes than any other seasonal fruit with well over 5,000 varieties. They are productive and easy to grow within some common-sense guidelines. Tomatoes are eaten sliced and raw, steamed, boiled, stir-fried, baked, roasted, and almost any other way you can imagine.

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Tomatoes were cultivated from a wild plant native to South America and were grown by the Aztecs and throughout the Americas. They were slow to be adopted in Europe because it was thought they were poisonous. They are related to the nightshade, and the leaves and stems are poisonous, so don’t let your pets eat the leaves or stems! With a few exceptions, tomatoes were not widely adopted in the West, including the United States, until the 1800s. Today, tomatoes are probably the most commonly planted vegetable for at-home gardening, and you could argue that there are more varieties of tomatoes than any other seasonal fruit with well over 5,000 varieties. They are productive and easy to grow within some common-sense guidelines. Tomatoes are eaten sliced and raw, steamed, boiled, stir-fried, baked, roasted, and almost any other way you can imagine. Tomato

There are three basic categories of tomatoes: Slicers, Cherries, and Sauce tomatoes (also called paste tomatoes), which pretty much divides them by how they are commonly used. Slicers include the large Beefsteak types like Cherokee Purples, Big Boys, and others, as well as Globe tomatoes like the Early Girl, and Better Boy, and the large elongated Oxheart tomatoes. Cherry tomatoes are the familiar small bite-sized round tomatoes. Sauce or paste tomatoes are called that because they are usually used for tomato sauce or tomato paste or cooked in other ways. They are smaller and usually oval-shaped and include Roma tomatoes, “Banana” tomatoes, and several other types. Individual varieties of tomatoes come in all colors, from dark red to light red, yellow, orange, green, or even black and blue! 

All these varieties can be either vining types or bush types. Bush tomatoes, often called “determinate,” are good for containers, but can easily be grown in the garden. Bush types don’t usually need a trellis, are smaller, and will produce fruit that ripens all at once. Vining types, the “indeterminate” tomatoes, are good for the garden. They can sometimes be grown in containers if you are able to use a trellis or a good-sized tomato cage. These are larger, sometimes as tall as 7 feet, and need to be staked, grown on a trellis, or supported by something. Their fruit ripens on the vines at different times throughout the season.Tomato

  • Tomato: Solanum lycopersicum
  • Perennial, grown almost always as an annual
  • Full sun (6-8 hours minimum)
  • Soil acidity slightly acidic (6.0-6.8 pH)
  • Well-drained, fertile soil (not clay)
  • Garden planting:

Start seedlings indoors, 6-8 weeks before the last frost.

½” deep

Plant seedlings in the garden 2 weeks after last frost.

Space the plants 36” apart

  • Climate Zones 4-13 
  • Container planting:

Start seedlings indoors separately, 6-8 weeks before planting.

½ ” deep

Pots 12-18″ deep or deeper (a 5-gallon container is ideal), 

1 plant per pot

Tomatoes all share the same basic flavor, though some varieties are sweeter, some more tart. The sauce varieties become more flavorful when cooked. Tomatoes are extremely healthy and are a well-known source of Vitamin C and potassium, as well as Vitamin A, phosphorus, and calcium. They have a variety of strong antioxidants and other nutrients. Cooked tomatoes sometimes have more concentrated carotenoids like lycopene and lutein than they do when raw.

TomatoTomato seedlings should be started indoors. Start them about 6-8 weeks before the last frost date in your area.  The seedlings should be transplanted 2 weeks after that date, once it’s a bit warmer. Soil should be fertile and also drain well. Tomatoes are a warm weather plant and prefer full sun. Temperatures lower than 55 degrees will slow growth, and the fruit will not be as good.  Temperatures below freezing will kill the plant.

When planting tomato seedlings, one thing to consider carefully is the space that’s available. Several years ago I tried to plant tomatoes too close together because I had extra seedlings and thought they would be OK with tomato cages. They weren’t, and it turned into a confused mass of vines that produced poorly.  Plant your seedlings at least 3 feet apart – no closer-good air circulation avoids disease! More than that is OK if preferred.  Keep the seedlings well-watered, and it’s best to water them at ground level rather than spraying the plants or using a sprinkler. Keeping the leaves relatively dry helps to prevent disease. 

Bush types are best for containers but they still need room. A large pot is needed, with a minimum size of 18” by 18”, larger is better. Limit the plants to one per pot. One nice thing about a potted tomato is that it will help when you are in a cooler climate, as it allows you to take the plant indoors to protect it during a cold snap. Green Tomatoes

There are a variety of plants that do very well growing near tomatoes. Some of the best companions include carrots, onions and garlic, parsley, chives, and a few flowers like marigolds and nasturtiums.  Carrots are the best companion. They, unlike tomatoes, prefer a bit of shade, which the tomatoes provide, and they get some protection from pests from the tomato. The carrot roots open up the soil which helps the tomato grow. Garlic grown nearby (or in-between) tomatoes helps protect against spider mites. Aromatic herbs and flowers can discourage aphids, as well.

Tomato pests in addition to aphids and spider mites include flea beetles, thrips, and whiteflies. Curling, yellowed, or browning leaves, holes in leaves, or undersized tomatoes are symptoms of pest problems. If detected, spraying with organic neem oil can deter pests. Diseases include leaf blight, leaf spot, anthracnose, and verticillium wilt. For blight or leaf spot or wilt, remove the plant completely. For anthracnose remove the leaves and vines on the lower portion of the plant. For all diseases, rotating the crops, planting the tomatoes in a different spot each year is very important. Watering at the base of the plant and not from the top protects from diseases and pests. Some tomato varieties are sold as disease resistant, consider this when picking your seeds.

There are two schools of thought on harvesting tomatoes: Let them ripen on the vine or harvest them early. Tomatoes that ripen on the vine may taste better, but partially ripe green tomatoes will ripen off the vine. Harvest them when you think it’s the best time – I like to let them get nearly ripe, because then they will have good flavor, and they won’t be too ripe. Picking a bit early also protects them from animals (like chipmunks!) in the neighborhood. 

Clip the tomatoes off with garden shears or just pull them off carefully by hand. Avoid leaving a long torn stem hanging off the main plant, as this can hurt the tomato plant. Allow them to ripen fully by storing them separately in warm temperatures inside (about 70 degrees is best). Once they are fully ripe, it’s fine to move them to the refrigerator which will extend their shelf life a bit. You can harvest the seeds from heirloom varieties, but don’t try to harvest hybrid seeds, they won’t breed true. Separate the seeds and pulp, and store them in water for a few days. Add some more water and stir them up a bit. The best seeds will sink. Pour off the water and pulp, and rinse the seeds carefully. Put them on a sheet of cardboard or a paper plate, and let them dry for a few days. The seeds can be stored and used the next year.

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