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Iris ensata ‘Angel Mountain’

Japanese Water Iris 'Angel Mountain'

Hardiness H6

Large Japanese iris flowers bring cool white and violet tones above tall sword-like foliage on Iris ensata ‘Angel Mountain’. This moisture-loving perennial suits pond margins and damp borders, where fertile, lime-free soil remains consistently wet through the spring and summer growing season.
SKU: IRIS-33-Y
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Plant Details

Flowering Months

January, not a flowering month
February, not a flowering month
March, not a flowering month
April, not a flowering month
May, not a flowering month
June, flowering month
July, flowering month
August, not a flowering month
September, not a flowering month
October, not a flowering month
November, not a flowering month
December, not a flowering month

Size

Max Height
0.5 m — 1.0 m
Max Spread
0.1 m — 0.5 m
Growth Habit
Grows in tight bunches from base, forming rounded groups.

Planting Position

Sunlight Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.
Full Sun Part Shade
Aspect Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.
South East West
Exposure Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.
Sheltered
Hardiness Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.
Hardiness H6 (−20 to −15 °C) Very cold-hardy

Ideal Soil Conditions

Soil Type Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.
Loam Clay
Soil Moisture Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.
Moist but permeable / Poorly-drained / Free draining
Soil pH Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.
Acid Neutral

Plant Uses & Merits

Uses
  • Flower Borders

Iris ensata ‘Angel Mountain’ Description

Iris ensata ‘Angel Mountain’ is a Japanese water iris grown for its broad, flattened summer flowers and strong upright foliage. The blooms combine pale white to lavender colouring with deeper violet markings and a small yellow signal towards the centre, creating a detailed flower best appreciated near a path or pond. Plants generally reach around 80cm to 1 metre high when in bloom. Grow in full sun or light partial shade in fertile, humus-rich, acidic to neutral soil that remains consistently moist during active growth. It performs well beside ponds and in bog gardens but should not sit in deep stagnant water throughout winter. Avoid applying lime. Remove spent stems after flowering and divide established clumps when they become congested.

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