About
Ageratum houstonianum 'Hawaii White' is a compact annual that forms a dense mound. It produces clusters of soft white flowers that bloom continuously from mid-summer through late autumn.
About the genus
Ageratum includes annuals, perennials, and shrubs that typically exhibit a bushy growth form. The plants feature simple, ovate leaves and produce small, fluffy flower clusters in shades of blue, pink, or white during the summer and autumn seasons.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- West-facing, South-facing
- Exposure
- Sheltered
- UK hardiness
- H2
Plant details
- Plant type
- Annual Biennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1 year
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Patio and container plants
Care notes
- 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.
- Pruning
- No pruning required
- Propagation
- Propagate by seed
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free