Overview
Helianthemum 'Rhodanthe Carneum' is a matforming alpine rockery in the genus Helianthemum, part of the Cistaceae family, with evergreen foliage. It typically grows around 0.1-0.5 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Helianthemum 'Rhodanthe Carneum' grows best in full sun, and tolerates most soils and alkaline and neutral pH. Its UK hardiness is rated H4. Suggested uses include coastal, gravel garden, rock garden and ground cover.
About
Helianthemum 'Rhodanthe Carneum' is a cultivar of rock rose, a genus of matforming alpine shrubs in the family Cistaceae. This evergreen plant grows to a height and spread of 0.1 to 0.5 metres, reaching full size within 2 to 5 years. It thrives in full sun and can be grown in a variety of soil types including chalk, loam, and sand, preferring well-drained, alkaline to neutral soils. Suitable for all garden aspects and exposures, it provides interest throughout spring, summer, and winter.
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, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, North-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H4
Plant details
Helianthemum 'Rhodanthe Carneum' size, habit and characteristics
- Plant type
- Alpine Rockery, Shrubs
- Habit
- Matforming
- Foliage
- Evergreen
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Coastal, Gravel garden, Rock garden, Ground cover
Care notes
Pruning and caring for Helianthemum 'Rhodanthe Carneum'
- Cultivation
- Prefers full sun and well-drained alkaline to neutral soils; tolerant of chalk, loam, and sand; suitable for coastal and exposed sites; mulch in winter to protect roots.
- Pruning
- Light pruning after flowering to maintain shape and encourage bushiness; avoid cutting into old wood.
- Propagation
- Softwood cuttings in late spring or early summer
- Pest resistance
- Generally pest-free
- Disease resistance
- Honey fungus
Frequently asked questions
How do I grow Helianthemum 'Rhodanthe Carneum'?
Prefers full sun and well-drained alkaline to neutral soils; tolerant of chalk, loam, and sand; suitable for coastal and exposed sites; mulch in winter to protect roots.
Where is the best place to plant Helianthemum 'Rhodanthe Carneum'?
Helianthemum 'Rhodanthe Carneum' prefers full sun. It suits exposed and sheltered positions.
What soil does Helianthemum 'Rhodanthe Carneum' need?
Helianthemum 'Rhodanthe Carneum' is adaptable and grows happily in most soil types, including chalk, loam and sand. It prefers alkaline and neutral soil. Aim for soil that stays well-drained.
How do I prune Helianthemum 'Rhodanthe Carneum'?
Light pruning after flowering to maintain shape and encourage bushiness; avoid cutting into old wood.
How big does Helianthemum 'Rhodanthe Carneum' grow?
Helianthemum 'Rhodanthe Carneum' reaches a height of 0.1-0.5 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.
Is Helianthemum 'Rhodanthe Carneum' hardy in the UK?
Helianthemum 'Rhodanthe Carneum' 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 'Rhodanthe Carneum'?
Softwood cuttings in late spring or early summer.
