Dianella 'Silver Streak' (v)
An evergreen perennial to around 60cm high, with dense clumps of sword-shaped, stiff grey-green leaves with broad creamy white margins. In late spring or early summer, produces sprays of nodding flowers on delicate stems, with violet sepals encasing white petals striped with green
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Purple White | Green Grey Silver White | ||
---|---|---|---|---|
Summer | Purple White | Green Grey Silver White | ||
Autumn | Green Grey Silver White | |||
Winter | Green Grey Silver White |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H3Botanical details
- Family
- Asphodelaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Tufted, Clump forming
- Potentially harmful
- Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling
- Genus
Dianella are rhizomatous evergreen perennials with leathery, sword-shaped leaves and sprays of small, starry deep blue flowers followed by long-lasting blue or purple berries
- Name status
Unresolved
How to grow
Cultivation
In milder areas, grow outdoors in moderately fertile, well-drained, neutral to acid soil in full sun or partial shade. In areas prone to hard frosts, grow under glass in peat-free, loam-based compost, in full light with shade from hot sun. Water well in growth and keep just moist in winter.
Propagation
Propagate by division in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Coastal
- Gravel garden
- Patio and container plants
- Low Maintenance
- Conservatory and greenhouse
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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