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botanical name:
Iris kerneriana
Iris kerneriana © Deeproot Plant Base
family:  Iridaceae
characteristics: perennial
height: 0.50m
width: 0.40m
growth rate: medium
growth habit: spiky
leaf colour: green
flower colour: yellow
main season: Summer
poison symbol poisonous or irritant
aspect: full sun, part shade
conditions: moist soil
preferred soil pH: neutral
minimum temp: -29°C
USDA zone: 5 to 8
Beardless, rhizomatous, Spuria iris forming dense clumps of narrowly linear leaves. Erect stems bear 2 to 4 pale lemon yellow flowers in early summer, followed by ribbed seed pods.

Moist, well drained, humus-rich neutral to slightly acid soil in full sun or part shade.

By division of clumps.

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