Iris innominata
An evergreen, rhizomatous perennial to 25cm tall with very narrow leaves to 4mm wide often with purple-red bases. From late spring into early summer, stems bear one or two flowers each up to 8cm across; flower colour is typically cream, yellow or orange but may also be shades of pink, purple or blue
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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
Moist but well–drained, Well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Cream Yellow Orange Pink | Green | ||
|---|---|---|---|---|
| Summer | Cream Yellow Orange Pink | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or East–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Iridaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Clump forming
- Potentially harmful
- Harmful if eaten. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Iris may be rhizomatous or bulbous perennials, with narrow leaves and erect stems bearing flowers with 3 large spreading or pendent fall petals, alternating with 3 erect, often smaller, standard petals, in late winter, spring or early summer
- Name status
Correct
- Plant range
- W USA
How to grow
Cultivation
Grow in well-drained, neutral to acidic soil in full sun or partial shade
Propagation
Propagate by seed or by division. See dividing irises
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Flower borders and beds
Pruning
Remove any dying foliage in autumn, old flower stems can be cut down after flowering
Pests
Diseases
May be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases
Get involved
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