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botanical name:
Hibiscus syriacus 'Boule de Feu'
Hibiscus syriacus 'Boule de Feu' © Deeproot Plant Base
common name:  Shrubby Mallow, Rose of Sharon
synonyms:  Hibiscus syriacus 'Comte de Fiandre', Hibiscus syriacus 'Comte de Flandres'
family:  Malvaceae
characteristics: shrub
height: 2.50m
width: 2.00m
growth rate: slow
growth habit: bushy
leaf colour: green
flower colour: red
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
Large, double, frilly, purple-red flowers with a maroon centre, in late summer.

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.

other notes:
Cross of Hibiscus syriacus 'Red Heart' x Hibiscus syriacus 'Woodbridge'.
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