From mid-spring to early summer, the semi-woody stems are decorated with five petaled, single or double blooms in hues of orange, pink, peach, red, white, or yellow. Each flower only lasts a day, but the plant produces them prolifically for constant seasonal color.

Is helianthemum a perennial?

From the Greek helios, the sun, and anthemon. A genus of evergreen and semi-evergreen shrubs, sub-shrubs, perennial plants and annuals, very free flowering. ... Numerous named varieties and hybrids are grown and four species are native plants.

When can I cut back my helianthemum?

Pruning is best done in early spring but is possible at any time during the growing season. That is the only maintenance the plants should need. The Rock Roses have only two basic needs - sunshine and a free-draining soil. They will survive, or even thrive, in poor, sandy soils as the plants are very drought tolerant.