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botanical name:
Stokesia laevis 'Blue Star'
Stokesia laevis 'Blue Star' © Deeproot Plant Base
common name:  Stoke's aster, Cornflower aster
synonyms:  Stokesia cyanea
family:  Asteraceae
characteristics: perennial
height: 0.40m
width: 0.40m
growth rate: medium
growth habit:
leaf colour: green
flower colour: blue
main season: Summer
aspect: full sun
conditions: dry soil, moist soil, sandy soil
preferred soil pH: acid
minimum temp: -29°C
USDA zone: 5 to 10
description:
Rosettes of broad leathery basal leaves and large cornflower-like blue flowers, lasting for several weeks in mid and late summer.

cultivation:
Best in light, fertile, moist but well drained, preferably acid soil, in full sun. May rot in heavy damp soils. Deadhead to prolong flowering.

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