Ageratum houstonianum 'Blue Danube'
Garden Ageratum, Floss Flower
Family: Asteraceae Aster
| Type | Annual |
| USDA Hardiness range | n/a |
| Exposure | Partial shade to full sun |
| Bloom color | Blue, lavender |
| Bloom time | Mid Summer to Late Fall |
| Water needs | Moist |
| Landscape uses | Border, container |
| Height | 6" to 9" / 15cm to 25cm |
| Spread | 6" to 12" / 15cm to 30cm |
| Growth rate | Moderate |
| Persistence | Deciduous, broadleaf |
| Bloom attributes | Suitable for cut flowers |
| Leaf color | Green |
| Fruit color | n/a |
| Soil pH requirements | Neutral |
| Soil type | Sandy, loamy |
| Form | Rounded, upright or erect |