Big, brilliant flowers on plump shrubs rank this among the showiest flowering shrubs in Western gardens. Some are very tender tropical species grown in Hawaii, others very hardy. Plants typically bear funnel-shaped blossoms, often with prominent stamens.
Giant whitefly is the most important pest of hibiscus in central and Southern California, coating the undersides of leaves with wax and eventually defoliating the plant. A parasitoid wasp has been released to control it, and research continues on its control.Hibiscus mutabilis
From China. In warmest climates, shrubby or treelike growth to 15 ft. tall and 8 ft. wide. Behaves more like a perennial in colder parts of the range, growing flowering branches from a woody base or short trunk. Broad, oval leaves with three to five lobes. Summer flowers are 4–6 in. wide, opening white or pink and changing to deep red by evening.
‘Rubrus’ has red flowers. ‘Flore Pleno’ has double, rosy pink flowers.
Grows at a moderate to fast rate, eventually reaching 40–80 ft. tall, with a heavy-limbed crown ...
This evergreen shrub is reported to be a hybrid between L. japonicum ‘Rotundifolium&rsq...
Probably one of the hardiest palms; has survived brief (but not prolonged) temperature drops to 0°...