Iris ensata 'Alpine Majesty'
Japanese water iris 'Alpine Majesty'
A vigorous, rhizomatous, clump-forming compact perennial with grassy green upright foliage to 80cm high. Flowers are composed of white drooping standards with yellow-green signals wit typically three large flowers on a stem to 65cm high, flowering early to midsummer
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Poorly–drainedpH
Acid, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | White Yellow | Green | ||
Autumn | Green | |||
Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or East–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Iridaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- All parts may cause discomfort if ingested. Wear gloves and wash hands after handling
- 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 to wet, deep, humus-rich, neutral to acid soil in sun or part shade; it thrives at the margins of ponds or streams
Propagation
Propagate by dividing iris rhizomes from midsummer to early autumn
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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