Ageratum houstonianum 'Blue Danube' (Flossflower 'Blue Danube')
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Beginner skill rating |
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0.2m max. spread |
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0.25m max. height |
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1 year to maturity |
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1 hour care per year |
Botanical name: Ageratum houstonianum 'Blue Danube'
Other names: Flossflower 'Blue Danube', Ageratum 'Blue Danube'
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Genus: Ageratum
Variety or cultivar: 'Blue Danube' _ 'Blue Danube' is a compact, mound-forming annual with oval, hairy, bright green leaves and clusters of lavender-blue flowers from midsummer until the first frosts.
Ageratum houstonianum 'Blue Danube' is: Deciduous
Flower: Lavender, Blue in Summer; Blue, Lavender in Autumn
Foliage: Green in Summer
Habit: Clump-forming, Compact, Cushion or Mound Forming
Awards: RHS AGM (Award of Garden Merit)
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Watch out for
Pests: Generally pest free.
Specific diseases: Foot and root rot
General care
Propagation: Sow indoors in early spring.. REGISTER to read more...
Propagation methods: Seed. REGISTER to read more...
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Ageratum houstonianum 'Blue Danube' (Flossflower 'Blue Danube') will reach a height of 0.25m and a spread of 0.2m after 1 year.
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Suggested uses: Beds and borders, City, Containers, Cottage/Informal, Hanging baskets
Cultivation: Plant in a sheltered postion in full sun. Will do well if grown in a pot or container. Keep moist, do not allow to dry out. Deadhead to prolong flowering.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) |  |
| Soil drainage: | Moist but well-drained | |
| Soil pH: | Acid, Alkaline, Neutral | |
| Light: | Full Sun | |
| Aspect: | South, West | |
| Exposure: | Sheltered | |
| Hardiness: | Indoor heated (H1), Tender in frost (H3) | |
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