How to grow ageratum
Ageratum houstonianum
When to plant ageratum
- Start seeds indoors
- 10 weeks before your last spring frost to 8 weeks before your last spring frost
- Transplant outdoors
- at your last spring frost to 2 weeks after your last spring frost
Get your exact dates by ZIP
The windows above are relative to your frost dates.
Growing conditions
- Lifecycle
- Annual
- Spacing
- 6 to 8 in apart
- Sun
- Full sun
Common problems
Ageratum by hardiness zone
Planting dates for a typical location in each zone:
Sources
Last updated .