- Sowing Info
When to Sow Outside: RECOMMENDED. Cold Climates: 2 to 4 weeks before your average last frost date. You can also sow half the seed 4 to 6 weeks before your average last frost date (hoping the last frost is earlier than usual) and sow the second half a week or two after your average last frost date (just to be safe). Mild Climates: Fall through early spring.
When to Start Inside: Not recommended.
Days to Emerge: 7–21 days
Seed Depth: ⅛–¼"
Seed Spacing: Scatter about 20 seeds per sq. ft. and rake in
Thinning: As needed