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BulbsHerbaceous Perennial
Dichelostemma congestum
ookow
A perennial to 90cm tall, with narrow, grassy foliage that dies down as the flowers open; tubular lilac-blue flowers 2cm long open in a comapct raceme in early summer
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0–0.1 metreGrowing conditions
Chalk
Loam
Sand
Moisture
Well–drainedpH
Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | ||||
---|---|---|---|---|
Summer | Blue Purple | |||
Autumn | ||||
Winter |
Position
- Full sun
Aspect
South–facing or East–facing or West–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Asparagaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Dichelostemma are cormous perennials with narrow, grassy foliage and umbels or racemes of tubular or narrowly bell-shaped flowers
- Name status
Correct
- Plant range
- W USA
How to grow
Cultivation
Plant 10cm deep in autumn, in well-drained soil in full sun. Keep warm and dry after flowering
Propagation
Propagate by seed, or remove offsets in late summer
Suggested planting locations and garden types
- Patio and container plants
- Wall side borders
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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