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Herbaceous Perennial
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Chalk
Loam
Sand
Moisture
Well–drainedpH
Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green Blue | |||
---|---|---|---|---|
Summer | Yellow | Green Blue | ||
Autumn | Green Blue | |||
Winter | Green Blue |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H4Botanical details
- Family
- Iridaceae
- Native to the UK
- No
- Foliage
- Semi evergreen
- Habit
- Clump forming, Tufted
- Genus
Sisyrinchium can be annuals or rhizomatous perennials forming a clump of narrowly sword-shaped leaves with erect stems carrying solitary or clustered, star-shaped or bell-shaped flowers in spring or summer
- Name status
Correct
How to grow
Cultivation
Grow in a poor to moderately fertile, well-drained, neutral to slightly alkaline soil in full sun. Protect from excessive winter wet. May have the potential to become a nuisance as seeds prolifically
Propagation
Propagate by seed or by division
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Gravel garden
- Patio and container plants
- Flower borders and beds
Pruning
No pruning required
Pests
Generally pest-free
Diseases
May be susceptible to root rot
Get involved
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