Botanical Name: Physalis pruinosa
Days to Maturity: 75 days from transplanting
Native: Mexico and Central America
Hardiness: Frost-sensitive annual
Plant Dimensions: 12"-18" tall and 18"-24" wide
Variety Information: ½" yellow fruit inside a papery husk
When to Sow Outside: 2 to 4 weeks after your average last frost date, and when soil temperature is at least 60°F.
When to Start Inside: RECOMMENDED. 4 to 6 weeks before your average last frost date. Ideal soil temperature for germination is 80°–85°F.
Days to Emerge: 10 days
Seed Depth: ¼"
Seed Spacing: A group of 3 seeds every 18"
Row Spacing: 36"
Thinning: When 2" tall, thin to 1 every 18"
Harvesting: Fruit is at its sweetest when it falls to the ground (hence the name, ground cherry) and has turned to a warm golden yellow. If the color of the fallen fruit is still light yellow, bring them indoors to ripen in their husks at room temperature.