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Tomatillo (Verde) is the essential ingredient in Mexican green salsa (salsa verde), producing prolific clusters of small, green fruits enclosed in papery husks on vigorous, sprawling plants. Despite resembling a small green tomato, tomatillos have a distinctive tangy-citrusy flavor that transforms when roasted — developing a complex, smoky-sweet depth essential to authentic Mexican cuisine. Growing in zones 5–11 as a warm-season annual, tomatillos mature in 75 days and produce prolifically from midsummer through frost. Two plants are required for fruit set (they're not self-fruitful). The papery husk protects the fruit from insects and disease, making tomatillos surprisingly easy to grow. Each plant can yield 30–50 fruits, and they freeze beautifully for year-round salsa verde.
Start tomatillos indoors 6–8 weeks before last frost or direct sow in warm soil (60°F+). Plant two or more plants — tomatillos require cross-pollination for fruit set; a single plant produces almost no fruit. Space plants 3–4 feet apart in full sun in rich, well-drained soil. Tomatillos are vigorous spreaders — provide cages or stakes as they can spread 3–4 feet wide. Water consistently during flowering and fruit development. Fertilize every 4 weeks with a balanced fertilizer. Harvest when the papery husk just begins to split and feels slightly sticky when husked — do not wait for yellow color, as green tomatillos at the 'husk-splitting' stage have the best flavor for salsa verde. Fruits keep for 2–3 weeks at room temperature in their husks. Freeze whole for later use in cooked salsas.
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