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botanical name:
Iris sibirica 'Butter and Sugar'
Iris sibirica 'Butter and Sugar' © Deeproot Plant Base
common name:  Siberian Iris
family:  Iridaceae
characteristics: perennial
height: 0.75m
width: 0.30m
growth rate: fast
growth habit: clump
leaf colour: green
flower colour: yellow
main season: Summer
poison symbol poisonous or irritant
aspect: full sun, part shade
conditions: moist soil, wet/waterlogged soil, clay soil, sandy soil
preferred soil pH: neutral-acid
minimum temp: -29°C
USDA zone: 5 to 8
Elegant, relatively large flowers with white standards and pale creamy yellow falls that are held horizontally. Clump forming with erect narrow leaves.

Best in moist well drained, neutral to slightly acid soil, will also grow in boggy condition near water. Full sun or part shade.

By division of clumps.

other notes:
Bred by Dr. Currier McEwen, South Harpswell, Maine, USA

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