Overview
Helianthemum hybrids is a matforming, bushy, spreading branched shrubs in the genus Helianthemum, part of the Cistaceae family, with evergreen foliage. Helianthemum hybrids grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H4. Suggested uses include gravel garden, rock garden, wildlife gardens and banks and slopes.
About
Helianthemum hybrids are evergreen shrubs belonging to the Cistaceae family, known for their matforming, bushy, and spreading branched habit. These plants feature small, paired leaves and produce saucer-shaped flowers in short racemes during spring and early summer. They thrive in full sun and well-drained fertile soils, including chalk, clay, loam, and sand, and tolerate a range of soil pH from acid to alkaline. Suitable for gravel and rock gardens, wildlife gardens, and banks or slopes, Helianthemum hybrids are hardy to UK zone H4 and can be propagated from softwood cuttings in late spring or early summer.
About the genus
Helianthemum, known as rock rose, sunrose, rushrose, or frostweed, is a genus of about 114 species of flowering plants in the family Cistaceae. They are widely distributed throughout the Northern Hemisphere, especially in the Mediterranean.
Wikipedia contributors, "Helianthemum", CC BY-SA 4.0 — Helianthemum
Growing conditions
Best soil and position for Helianthemum
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H4
Plant details
Helianthemum hybrids size, habit and characteristics
- Plant type
- Shrubs, Alpine Rockery
- Habit
- Matforming, Bushy, Spreading branched
- Foliage
- Evergreen
- Suggested uses
- Gravel garden, Rock garden, Wildlife gardens, Banks and slopes
Care notes
Pruning and caring for Helianthemum hybrids
- Propagation
- Softwood cuttings in late spring or early summer
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to honey fungus
Frequently asked questions
Where is the best place to plant Helianthemum hybrids?
Helianthemum hybrids prefers full sun. It suits exposed and sheltered positions.
What soil does Helianthemum hybrids need?
Helianthemum hybrids is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Helianthemum hybrids hardy in the UK?
Helianthemum hybrids has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Helianthemum hybrids?
Softwood cuttings in late spring or early summer.
