Ground Cherry

Ground Cherry

Physalis pruinosa

Start ground cherry indoors 4 weeks before your last spring frost, then plant out 2 weeks after your last spring frost. Space plants 24 in (61 cm) apart.

Photo: User:Carstor, CC BY-SA 3.0 · source

When to plant

Timed from your frost dates, so it holds wherever you garden. Give yours and every step below becomes a date.

See the dates for your garden

Enter your average last spring frost and first fall frost. Every timing on this site turns into a calendar date. Not sure of yours? Your local extension service or a search for “last frost date” and your town will tell you; the app finds them from your location.

Last spring frost
First fall frost

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Optimal Indoor Start

From seedRecommended
  1. Start indoors4 weeks before your last spring frost
  2. Begin hardening off1 week after your last spring frost
  3. Plant out2 weeks after your last spring frost
  4. First harvestabout 70 days after planting out

Optimal Transplant

From seed
  1. Plant out2 weeks after your last spring frost
  2. First harvestabout 70 days after planting out

Growing ground cherry

Spacing in the row
24 in (61 cm)
Between rows
36 in (91 cm)
Planting depth
1/4 inch
Sun
Full Sun
Soil
Well-drained, fertile loam with balanced pH.
Germination
7-14 days at 70-85°F
Harvest season
Mid-Summer to Fall
Mature height
18-24 inches
Life cycle
Annual

Sow indoors 6 weeks prior to the Last Spring Frost or direct sow after all frost danger has passed.

Watering. Maintain consistent soil moisture from flowering through fruiting; tolerant of brief dry periods once established. Avoid waterlogging to prevent root rot.

Feeding

Seedlings
Apply diluted balanced liquid fertilizer (e.g., 1-1-1 NPK) after true leaves have emerged.
Growing
Administer balanced granular or liquid fertilizer as plants initiate flowering.
Flowering and fruiting
Provide higher phosphorus and potassium fertilizer (e.g., 5-10-10 NPK) once fruit set is observed.
How often
Every 2-4 weeks during periods of active growth and fruiting.
Note
Minimize nitrogen application to prevent excessive vegetative growth at the expense of fruit production.

Your ground cherry, planned to the day.

Canopy turns these timings into dates from your own frost data, places every plant at its spacing on your garden map, and tracks it all the way to harvest.

Add ground cherry to your planting calendar →