Ground cherries, also called husk cherries or husk tomatoes, are a warm-season relative of the tomatillo that US gardeners grow for their small golden fruits wrapped in papery lantern husks. Each pea-sized to marble-sized fruit tastes sweet and tropical, something like pineapple crossed with a mild tomato. The plants are sprawling and easygoing, and a single healthy plant can drop dozens of husked fruits onto the soil over a long summer. They are a favorite for kids, farmers market growers, and anyone who likes an unusual snacking fruit.

When and how to plant

Grow ground cherries as a warm-season annual, since even a light frost kills the plants. Start seeds indoors about 6 weeks before your last spring frost, then set transplants out a week or two after the frost date once nights are reliably warm and the soil has warmed. In hot, long-season regions you can also direct sow after the soil warms. Give them full sun, at least six hours a day, and moderately fertile, well-drained soil with a near-neutral pH.

Care

Water regularly and evenly, roughly an inch a week, keeping the soil moist but never waterlogged while fruit is forming. Work some compost or a balanced fertilizer into the bed at planting, then avoid heavy nitrogen, which pushes leafy growth at the expense of fruit. The plants sprawl wide and low, so space them about 18 to 36 inches apart and give each one room; a small tomato cage or short stake helps keep the tangle of branches off the ground and the fruit cleaner. A layer of mulch keeps moisture even and makes the dropped fruit easier to find.

Common problems

Ground cherries share pests and diseases with tomatoes and tomatillos, including flea beetles, aphids, three-lined potato beetle, and occasional hornworms, plus soilborne wilts and early blight in wet seasons. Rotate away from other nightshades each year, space plants for good airflow, and water at the base rather than overhead to keep foliage dry. Row cover over young transplants helps against early flea beetle damage, and handpicking larger pests is usually enough on a home scale. Clean up fallen leaves and spent plants at season end to reduce carryover.

Harvest

The fruit is ready when the papery husk turns tan and dry and the berry inside colors up to golden yellow. The easiest way to know a fruit is ripe is that it drops to the ground on its own, which is where the name comes from, so much of the harvest is simply gathering fallen fruit every few days. You can also gently shake the plant and collect what falls, or pick fruits whose husks have loosened. Fruit picked while still green and firm is underripe and best left to finish.

Popular Ground Cherries varieties to grow

Ground cherry varieties are chosen mainly for flavor, fruit size, and how quickly the husked fruits mature and drop. For home gardens, compact habit and earliness matter because these plants can sprawl and need a warm season.

Variety notes are general guidance for US home gardens; local performance varies by climate and season. Availability differs by seed supplier.

Growing Ground Cherries in containers

Ground cherries are very suitable for containers and are usually easier to manage there than in a crowded bed. Use a 5 gallon pot at least 12 inches deep with drainage holes and fertile, well-drained potting mix. Water consistently, feed with a balanced tomato or vegetable fertilizer, and use a small cage or stake because productive plants can sprawl.

Watering & feeding Ground Cherries

Aim for roughly 1 to 1.5 inches of water per week, including rainfall, with more attention during heat and fruit set. They have average water needs and tolerate brief dryness better once well rooted, but prolonged drought can reduce fruit size and yield. Water deeply at the base rather than frequently sprinkling foliage, and mulch after soil has warmed to conserve moisture. Containers dry much faster and may need checking daily, while drooping plants, dry soil, and premature fruit drop suggest too little water, and yellowing in saturated soil suggests too much.

Ground cherries are moderate feeders and grow well in compost-amended, well-drained soil. They need balanced fertility with adequate phosphorus and potassium for flowering and fruiting, but too much nitrogen can create lush foliage with fewer fruits. Add compost before planting and feed lightly after plants begin active growth if the soil is lean. A modest side-dressing around early flowering is usually enough, and stop pushing nitrogen once fruiting is underway. Keep moisture consistent as husks begin filling to reduce stress and fruit drop. Avoid rich, freshly manured soil, which can make plants overly leafy.

Saving Ground Cherries seeds

Ground cherries save true from open-pollinated or heirloom plants, while F1 hybrids do not come true from seed. Collect fully ripe fruits that have fallen into their papery husks, scoop out the pulp and seeds, and rinse them in water, with a brief fermentation optional to help separate pulp. Spread the clean seeds thinly on a nonstick surface and dry them completely indoors before storing cool and dry. Ground cherry seed commonly remains viable for about 3 to 4 years.

Ground Cherries companion plants

Ground cherries pair well with low flowering companions such as sweet alyssum or calendula, which support pollinators and beneficial insects without much root competition. A mulch or a low, restrained living edge can help keep the soil moist and make fallen fruits easier to find. Avoid growing them immediately beside tomatoes, peppers, eggplants, potatoes, or tomatillos because these nightshades share important pests and diseases, including flea beetles and some soilborne problems.

Frequently asked questions about Ground Cherries

General guidance for US home gardens. Reference figures are typical values; your exact timing depends on your local frost dates and variety. Page updated Aug 4, 2026.