Diplarrena latifolia
western flag iris
A clump-forming, rhizomatous, evergreen perennial to about 65cm. It has stiff, flat, narrowleaves and lightly scented flowers with three large and three small, white petals the smaller ones with yellow and purple markings
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Purple White Yellow | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Iridaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Columnar upright
- Potentially harmful
- Causes severe discomfort if ingested. Wear gloves and wash hands after handling
- Genus
Diplarrena are rhizomatous, evergreen perennials related to irises. They are clump-forming, producing tufts of stiff linear to sword-shaped leaves to 30cm, the flowers borne above the leaves on wiry stems. Flowers 2-3 in a terminal cluster, with 3 large, white outer segments, the inner 3 more erect and usually coloured
- Name status
Correct
- Plant range
- Tasmania
How to grow
Cultivation
Grow in a sunny position in humus-rich, moist, neutral to acid soil. Partial shade is suitable when planted in a hot site
Propagation
Propagate by seed sown in containers in a cold frame in autumn or spring. Can also be propagated by division in spring
Suggested planting locations and garden types
- Coastal
- Gravel garden
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Mediterranean climate plants
- Flower borders and beds
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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