Botanical Name: Nasturtium officinale
Hardiness: Perennial in USDA zones 6–9, otherwise grown as an annual
Plant Dimensions: 10″–14″ tall
Variety Information: Small, roundish, light green leaves with a peppery, pungent flavor and scent.
Exposure: Full sun to part shade
Attributes: Good for Containers
When to Sow Outside: 2 to 4 weeks before your average last frost date. Ideal soil temperature for germination is 50°–60°F.
When to Start Inside: 4 to 6 weeks before your average last frost date. When growing indoors, keep continually moist.
Days to Emerge: 5–15 days
Seed Depth: ¼”
Seed Spacing: 1″
Row Spacing: 6″
Thinning: When 1″ tall, thin to 1 every 4″
Harvesting: When plants are 4″–6″ tall, clip sprigs off the top; the tips are the sweetest, most tender part of the plant. In mild climates, harvest during the cooler parts of the year.