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How to grow ground cherries

Physalis pruinosa · solanaceae family · annual crop

Ground cherry is a warm-season crop, usually started indoors and transplanted, and planting opens once soil reaches about 65°F; varieties in the library mature in 65 to 75 days.

Ground cherry — hero (AI-generated reference image)
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Ground cherry is a low, sprawling relative of the tomato, grown for small, sweet, gold fruit enclosed in a papery husk that looks like a miniature lantern. The plant rarely grows more than a couple of feet tall and spreads rather than stands upright, filling in low around taller crops instead of needing a trellis. Gardeners grow it for fruit eaten straight off the plant, cooked into preserves, or dried, with a flavor between a tomato and a tropical fruit. It tolerates heat and dry spells well once established, a forgiving crop for uneven summer watering.

The hardest part of growing ground cherry well is harvesting by a rule that runs opposite most fruiting crops. University of Minnesota Extension notes a ripe husk turns dry and papery and the fruit drops on its own, and Penn State Extension adds that fruit falling still green rarely ripens further. A second-year gardener used to picking fruit off the vine either picks husks too early, while the fruit is still tart, or ignores what has fallen as litter under the plant. Because the fallen fruit is the actual harvest and holds only a week or two, a gardener not checking the ground regularly loses part of the crop to rot before tasting it at its best.

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Growing basics

Ground cherry is a warm-season crop, usually started indoors and transplanted.

Seeds germinate once soil reaches about 65°F.

Varieties in the library run 65 to 75 days to maturity.

Grows best in full sun.

Frost-tender: plants go out after the last frost.

Space plants about 24 inches apart.

Sources

Common questions

When do you plant ground cherries?

Ground cherry is a warm-season crop, usually started indoors and transplanted. Plants go out after the last frost. Planting opens once soil reaches about 65°F.

What soil temperature does ground cherries need?

Seeds germinate once soil reaches about 65°F.

How far apart do you space ground cherries?

Space plants about 24 inches apart.

How long does ground cherries take to mature?

Varieties in the library run 65 to 75 days from planting to harvest.

3 ground cherries in the library

Aunt Molly's · Cossack Pineapple · Goldie

Each has a full cited page in the library.

Pests and diseases we cover

Identification and treatment for each, with photos, in the library.

Row & Bed covers 3 ground cherry varieties, each with a cited care timeline and fertilization schedule, identification and treatment for the 5 pests and 3 diseases that reach them, and planting windows worked out for your ZIP.

Set up your garden

See something that does not match your garden? Write to andy@rowandbed.com.