Top Pick
Top Pick
Who it's for
- Exceptional True Blue Color
- Superior Cutting Flower
- Season-Long Performance
Who should skip it
- Requires Annual Replanting
- Mildew Susceptibility
- Needs Consistent Grooming
Key Specs
Ships as
1 PINT (28.86 CU IN.)
Mature Height
24-30 inches
Spacing
10-12 inches apart
Blooms In
June through September
Exposure
Sun to Part Shade
Deer Resistance
Yes
Still have a question?
Ask Metto anything about the Ageratum houstonianum 'Blue Horizon' before you decide.