
How to grow stock
Matthiola incana
When to plant stock
- Start seeds indoors
- 8 weeks before your last spring frost to 6 weeks before your last spring frost
Get your exact dates by ZIP
The windows above are relative to your frost dates.
Growing conditions
- Lifecycle
- Annual
- Sun
- Full sun
Common problems
- heat stops bloom
- white mold
Stock by hardiness zone
Planting dates for a typical location in each zone:
Sources
Last updated .