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Hibiscus syriacus 'Red Heart'
© Deeproot Plant Base
common name: Shrubby Mallow, Rose of Sharon
growth rate: medium
growth habit: bushy
leaf colour: green
flower colour: white
main season: Summer
dry soil, moist soil, sandy soil
preferred soil pH: neutral-alkaline
minimum temp: -12°C
USDA zone: 7 to 9
Large single white flowers with dark carmine-red central markings. Strong grower.
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.
Raised in France.