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Annual BiennialBedding
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Blue | Green | ||
Autumn | Blue | Green | ||
Winter |
Position
- Full sun
Aspect
West–facing or South–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Asteraceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Ageratum can be annuals, perennials or shrubs, usually bushy in habit, with simple ovate leaves and small fluffy blue, pink or white flower-heads in summer and autumn
- Name status
Accepted
How to grow
Cultivation
This genus is ideal edging for bedding schemes, but in addition 'Blue Danube' is compact enough to be grown in a container, bearing weather-resistant flowers on young plants. To prolong flowering, keep soil or growing media moist.
Propagation
Propagate by seed
Suggested planting locations and garden types
- City and courtyard gardens
- Patio and container plants
- Flower borders and beds
- Garden edging
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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