Overview
Helianthemum 'Welsh Flame' is a matforming, bushy, spreading branched shrubs in the genus Helianthemum, part of the Cistaceae family, with evergreen foliage. Helianthemum 'Welsh Flame' 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 'Welsh Flame' is an evergreen shrub cultivar within the genus Helianthemum, known for its matforming, bushy, and spreading branched habit. Like others in its genus, it produces saucer-shaped flowers in short racemes during spring and early summer. This cultivar thrives in full sun and well-drained fertile soils, including chalk, clay, loam, and sand, across a range of soil pH levels. Suitable for gravel and rock gardens, as well as banks and slopes, it is hardy in the UK (H4) and can be propagated by softwood cuttings in late spring or early summer.
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 'Welsh Flame' 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 'Welsh Flame'
- 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 'Welsh Flame'?
Helianthemum 'Welsh Flame' prefers full sun. It suits exposed and sheltered positions.
What soil does Helianthemum 'Welsh Flame' need?
Helianthemum 'Welsh Flame' 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 'Welsh Flame' hardy in the UK?
Helianthemum 'Welsh Flame' 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 'Welsh Flame'?
Softwood cuttings in late spring or early summer.
More in the Helianthemum genus
- Helianthemum 'Wisley Pink'Rock Rose

- Helianthemum canariense

- Helianthemum hybrids

- Helianthemum lippii

- Helianthemum nummulariumcommon rockrose

- Helianthemum oelandicum subsp. alpestrealpine sun rose
- Helianthemum 'Ben Dearg'
- Helianthemum 'Bishopsthorpe'