Alyogyne huegelii, Hibiscus geranifolius, Blue Hibiscus

Alyogyne huegelii, Hibiscus geranifolius

Blue Hibiscus
Family: Malvaceae
Origin: Australia
USDA Zone: 9-10?
USDA Plant Hardiness MapLarge shrub 5-10 ft tallSmall plant 2-5 ftSemi-shadeFull sunModerate waterBlue, lavender, purple flowersSubtropical or temperate zone plant. Mature plant cold hardy at least to 30s F for a short time

Alyogyne huegelii is in cultivation, primarily in Australia and the SW USA, but also in Europe, where it is grown as a conservatory plant. In the former areas is a hardy and adaptable shrub, which is lime, drought and frost tolerant. It requires a well drained soil, but can be grown in sand, loam or clay soils. It can be grown in full sun, or in partial shade. Protection from strong winds is desirable. It is described as suitable for USDA zones 9 and 10, though in wet areas it may be necessary to grow it in containers, or to graft it onto other species of Hibiscus. Although it has a degree of frost tolerance, and has been reported to tolerate 12C of frost for short periods without permanent damage, it is not be suitable for growing in the ground in temperate climates, either due to longer and deeper periods of frost in continental climates, or to winter wet in maritime climates. In such climates there is the option of growing the plant as a conservatory or patio shrub. In mild areas growth as a wall shrub with a sheltered sunny aspect and a well drained soil it may survive for a few years, but will probably be seen off by the first cold or wet winter. Little watering is required, especially if the plants are well mulched. Once established supplementary watering should be required only during extremely dry condition, but is tolerated provided the plants are in a well-drained position.

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