Hibiscus heterophyllus is also known as the (Australian) native rosella. As its common name suggests, it is native to Western coastal Australia, and more precisely to Western Queensland and New South Wales. This shrub, which can be up to 20 ft (6 m) tall, is generally smaller in cultivation (1-3 m). Also, it can be slightly thorny. It has trilobate leaves, and blooms profusely in summer. Flowers can be of various colours, from white to pink.
This Hibiscus is an interesting and ornamental shrub, which is not very frost hardy. However, it can withstand small frosts and can be grown in USDA zones 10a and warmer. It can also be tried in most sheltered places of USDA zones 9b.
This Hibiscus has trilobed evergreen leaves that can be up to 8 in (20 cm) long. After the flowering season, it can be pruned to be kept more compact.
Flower buds appear in winter, but the plant only begins to bloom in late spring. Flowers are simple, 6 in (15 cm) wide, and are white, yellow or pink. They have a purple center.
Fruits are hairy capsules that can be skin irritating. Several parts of this plant (including roots, young shoots and flower buds) are edible, once boiled.
Hibiscus heterophyllus requiert l'exposition suivante : soleil Hibiscus heterophyllus needs a fertile and well-drained ground. It appreciates to be regularly watered during the summer. As flower blooms often appear in winter, this Hibiscus is best kept in a sheltered place.
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Category - shrub, perennial
Dimensions
Height 2.00 m
Width 1.00 m
Minimum temperatures
The plant is likely to die as soon as temperature is below -1.0 °C
Leaves and other aerial parts are damaged as soon as temperatures drops to 0.0 °C
Exposure - full sun
Leaves - evergreen
Flowers - Color(s) : white, pink
Propagation - cutting, seeds This plant is relatively easily propagated by seeds or by cuttings.Seeds and capsules can be skin irritating. If needed, it is best to handle them with gloves.
Toxicity No or unknown toxicity.Contains irritating, urticating or spiky parts.
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