Iris ensata 'Jitsugetsu'
"Japanese water iris"
Orders placed until 29 February 2025
You can expect your order in February/March 2025
Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025
Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
UK orders over £50
Free shipping
UK orders under £50
£4.99
Northern Ireland orders under £50
£5.99
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Description
You won’t often see this cultivar for sale—and as it’s such a beauty, make sure you buy it (as they say) while stocks last! First off, even though it is called a Japanese water iris and it can indeed grow well in water, it does not have to; Iris ensata 'Jitsugetsu' performs well in garden soil too, but it does prefer a wet or boggy soil. It makes an elegant addition to pond or stream margins, and is also suitable for smaller gardens where it can be used in watertight pots or barrels. Iris ensata 'Jitsugetsu' is suitable for full sun or part-shade.
The upright, strappy leaves of Iris ensata 'Jitsugetsu' make a great contrast to the showy summer flowers, and what flowers! Each large bloom is white, with hints of chartreuse in the centre, and small purple central petals (or ‘standards’), veined with darker purple. At a maximum height of around 90cm, Iris ensata 'Jitsugetsu' has real elegance, and deserves to be grown as a specimen plant, where it can be untroubled by colourful neighbours.
Key features
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Good for cutting
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Perfect for pots
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Comes back every year
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Loved by pollinators
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Naturalising
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Thrives well in full sun
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In peat-free compost
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Low maintenance
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Fully hardy
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Rodent resistant
Specs & details
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Botanical name
Iris ensata 'Jitsugetsu'
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Flower colour
White, purple
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Plant size
1
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Established height
50-70cm
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Established spread
50-70cm
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Plant spacing
10 plants per m2
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Leaf colour
Green
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Habit
Upright
Clump-forming -
Life cycle
Perennial
Naturalising -
Hardiness
Fully hardy
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Years to establish
1-2 years
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Sunlight
Full sun
Partial shade -
Position
Sheltered
Exposed -
Suitable for
Pots
Large containers
Borders
Meadows
Water gardens
Coastal gardens
Low maintenance gardens
Cut flower gardens -
Soil acidity
Any
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Soil moisture
Damp
Boggy -
Soil type
Loam
Sandy
Clay
Loam-based compost
Multipurpose compost -
Growing skill
Easy to grow
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Scented
No
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Pollinator-friendly
No
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Mouse resistant
Yes
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Rabbit resistant
Yes
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Deer resistant
No
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Toxicity
Skin/eyes irritant
Harmful if eaten
Plant calendar
Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Soak the Iris ensata 'Jitsugetsu' roots in water for 3-6 hours prior to planting
Plant your "Japanese water iris" bare roots into temporary pots with a multipurpose compost in spring and grow-on in a sheltered spot outdoors
Choose a pot which comfortably fits the bare roots. Some have a noticeable crown which should be just below the soil surface with any top growth exposed. Some varieties are a length of root which should be planted lengthways and shallowly (1-2cm deep).
Plant out into borders or permanent containers in late spring or early summer once in full growth. Choose a position in sun or shade depending on the variety.
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Orders placed until 29 February 2025
You can expect your order in February/March 2025Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
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