Evergreen, Perennials, Shrubs, Semi-evergreen
All bear single flowers with a prominent sunburst of stamens in the center. Shallowly cup-shaped, five-petaled blooms range in color from creamy yellow to gold; flowers may be solitary or in clusters. Neat, fresh green foliage. Various species are used for mass plantings, groundcovers, informal hedges, or borders. Grow especially well in mild, moist regions.
A difficult-to-control rust is extensively infecting plantings (especially those of the species H. calycinum) in the Pacific Northwest. Remove and destroy blighted leaves and any leaf litter; avoid overhead watering of plants in the evening.
Grows to 4 ft. tall and 5 ft. wide in mildest climates; in cold areas, it acts more like a root-hardy perennial, freezing to the ground and only growing back to about half its potential size. Dark green, 2–3-in. leave give rise to yellow, 3-in. flowers all summer long.
Grows to 4 ft. tall and 5 ft. wide in mildest climates; in cold areas, it acts more like a root-hardy ...
Shade-tolerant semievergreen native shrub from Europe and western Asia. Grows to 3 ft. tall and wide, ...
Native to the Caucasus. These are classic rock garden and container plants, with 2–3-in. violet ...