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botanical name:
Lychnis chalcedonica
Lychnis chalcedonica © Deeproot Plant Base
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common name:  Jerusalem cross, Maltese cross
family:  Caryophyllaceae
characteristics: perennial
height: 1.20m
width: 0.30m
growth rate: medium
growth habit: erect
leaf colour: green
flower colour: red
main season: Summer
aspect: full sun, part shade
conditions: moist soil, clay soil
preferred soil pH: any
minimum temp: -35°C
USDA zone: 4 to 9
Upright perennial with stiff, ovate mid-green basal leaves and hairy stems bearing smaller, clasping stem leaves with heart-shaped bases. Rounded, umbel-like cymes of star-shaped scarlet flowers, each petal having two deep notches, in early to midsummer.

Moist, fertile soil in full sun or partial shade. Dead-head to prolong flowering.

From seed or by division. Self seeds freely.

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