Ageratum houstonianum 'Blue Horizon'
Garden Ageratum, Floss Flower
Family: Asteraceae Aster
| Type | Annual |
| USDA Hardiness range | n/a |
| Exposure | Partial shade to full sun |
| Bloom color | Blue |
| Bloom time | Late Spring to Late Fall |
| Water needs | Dry |
| Landscape uses | Border, container, massing, rock garden, specimen |
| Height | 9" to 24" / 25cm to 60cm |
| Spread | n/a |
| Growth rate | Moderate |
| Bloom attributes | Suitable for cut flowers |
| Leaf color | Green |
| Fruit color | n/a |
| Soil pH requirements | Acidic, neutral |
| Soil type | Sandy, loamy |
| Form | Upright or erect |
| Attributes and features | Native to North America |