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botanical name:
Hibiscus syriacus 'Oiseau Bleu'
Hibiscus syriacus 'Oiseau Bleu' © Deeproot Plant Base    view larger image
common name:  Shrubby Mallow, Rose of Sharon
synonyms:  Hibiscus syriacus 'Blue Bird'
family:  Malvaceae
characteristics: shrub
height: 2.50m
width: 3.00m
growth rate: medium
growth habit: erect
leaf colour: green
flower colour: violet
main season: Summer
aspect: full sun
conditions: dry soil, moist soil, sandy soil
preferred soil pH: neutral-alkaline
minimum temp: -12°C
USDA zone: 7 to 9
description:
Single violet-blue flowers, flushed with red at the centres.

cultivation:
Reasonably fertile, humus-rich, moist, well drained soil in full sun. Performs best in areas with long hot summers.
Prune in early spring. On established plants, some old stems can be cut back hard.

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