Iris Californian hybrids
iris Californian hybrids
Iris Californian hybrids are evergreen perennials, from 15 to 70cm tall, with long, narrow leaves. Unbranched flower stems bear 2-3 flowers in a wide colour range, often with intricate patterns or markings, from mid-spring to early summer
Size
Ultimate height
0.5–1 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 | Blue Pink Purple Red White Yellow | Green | ||
---|---|---|---|---|
Summer | Blue Pink Purple Red White Yellow | Green | ||
Autumn | Green | |||
Winter | Green |
Position
- Full sun
- Partial shade
Aspect
West–facing or South–facing or North–facing or East–facing
Exposure
ShelteredDrought resistance
Yes Hardiness
H4Botanical details
- Family
- Iridaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Bushy
- 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
How to grow
Cultivation
Grows best in an acid to neutral soil with added humus in full sun or partial shade. Resents root disturbance so best propagated by seed
Propagation
Propagate by seed or by division
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Patio and container plants
- Cottage and informal garden
- Flower borders and beds
Pruning
Remove dead foliage, 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
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.