Iris 'King of the Blues'
A clump-forming bulbous perennial to 75cm tall, with erect, velvety, narrowly sword-shaped mid-green foliage and deep, rich purple-blue flowers with white markings appearing in late June to early July
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0–0.1 metreGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Purple Blue | Green | ||
Autumn | Green | |||
Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Iridaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- 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
Accepted
How to grow
Cultivation
Grow in moist but well-drained neutral or slightly alkaline soil, preferably in a sunny spot where the soil does not dry out. See bulb iris cultivation for further advice
Propagation
Lift and divide bulbs in early autumn; see bulb propagation
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Cut flowers
- Flower borders and beds
- Wall side borders
Pruning
No pruning required
Pests
Diseases
May be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases
Get involved
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