![]() Growers and cooks often use green tomatoes as a tomatillo substitute. Plant tomatillo seeds about six to eight weeks before your area’s average last spring frost. If you don’t have a sunny location, use grow lights to keep the seedlings from becoming elongated or “leggy.” When to Plant Tomatillo Seed Rotate the tray regularly so the seedlings lean in different directions to encourage strong stems. Using a heat mat is beneficial for keeping the soil consistently warm while the seeds germinate and the seedlings develop.Īfter your tomatillo seedlings sprout, move the tray to a sunny windowsill with at least six hours of bright light daily. Germination usually takes a week or two and is slower in cold soil.Īir temperature is usually higher than soil temperature. The optimal soil temperature for germinating tomatillo seeds is 75-85℉. Cover the seedling tray with a humidity dome or plastic wrap to conserve moisture. It’s helpful to pre-saturate the soil to avoid disturbing the seeds. Plant your tomatillo seeds a quarter-inch deep and cover them lightly with soil. Whether you decide on hybrid or heirloom seeds, make sure they’re from a certified organic and disease-free source. The way to plant ground cherries is to choose a seed starting mix that’s rich in nutrients and well-draining. Use a seedling tray with two-inch cells, compostable peat pots, or cardboard egg cartons to sow tomatillo seeds. Most gardeners start growing tomatillos indoors in late winter or early spring. To ensure pollination, plant flowers like borage, cosmos, and marigolds near your tomatillos to attract pollinators and other beneficial insects. In other words, cross-pollination between two or more plants is necessary to produce fruit. Tomatillos are part of the Solanaceae or nightshade family, along with eggplants, potatoes, peppers, tobacco, and tomato plants.Ī crucial consideration for growing tomatillo plants is that they’re not self-pollinating. ![]() ![]() Also referred to as a husk tomato or Mexican green tomato, they’re closely related to the ground cherry (Physalis philadelphica) and cape gooseberry (Physalis peruviana). What is a tomatillo? Tomatillos, or Physalis ixocarpa by their botanical name, are annual plants native to Mexico. Grape vs cherry tomatoes and larger sizes also benefit from starting this early. Generally speaking, sow seeds indoors six to eight weeks before the expected last frost date for your region. The best time for planting tomatillo seeds depends on your USDA planting zone. How to Plant Tomatillo Seeds in Containersīest Tips for Growing Tomatillos from Seed.Growing Conditions for Tomatillo Plants.Best Tips for Growing Tomatillos from Seed.
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