How to grow nasturtium
Tropaeolum majus
Get your exact dates
The windows below are relative to your frost dates. Enter your ZIP for the calendar dates.
Open the planting calendarWhen to plant nasturtium
Start seeds indoors6 weeks before your last spring frost to 4 weeks before your last spring frost
Direct sowat your last spring frost to 2 weeks after your last spring frost
Growing conditions
- Spacing
- 10 to 12 in apart
- Planting depth
- 0.5 in
- Sun
- Full sun
Common problems
- imported cabbageworm
- aphids
- leafminers
Nasturtium by hardiness zone
Planting dates for a typical location in each zone:
Sources
Last updated 2026-06-13.