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botanical name:
Erysimum cheiri 'Fire King'
Erysimum cheiri 'Fire King' © Deeproot Plant Base
common name:  English Wallflower
synonyms:  Cheiranthus 'Fire King'
family:  Brassicaceae
characteristics: annual/biennial, evergreen, scented/aromatic
height: 0.50m
width: 0.35m
growth rate: medium
growth habit: bushy
leaf colour: dark green
flower colour: orange
main season: Spring
poison symbol poisonous or irritant
aspect: full sun
conditions: dry soil, moist soil
preferred soil pH: alkaline
minimum temp: -6°C
USDA zone: 9 to 10
description:
Short-lived, subshrubby evergreen perennial, usually grown as a biennial. Dark green foliage. Bright red-orange flowers in spring. Flowers about two weeks earlier than "Siberian" wallflowers.

cultivation:
Well drained, preferably alkaline, soil in full sun. Will thrive in poor soils. Keep moist until established.
Cutting back hard after flowering will sometimes produce another flush of flowers in summer.

propagation:
From seed, sown in midsummer. Also by stem cuttings.

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