Helianthemum nummularium (Rock Rose)
Rock Rose
Covered with abundant, showy rose-like flowers in shades of orange, pink, yellow and white in late spring to early summer, Helianthemum nummuralium (Rock Rose) is a charming low-growing subshrub with an evergreen foliage of gray-green, lance-shaped leaves. Each flower opens for only one day, but new buds keep opening - enabling a long-lasting display (up to 2 months).
- This low-growing plant grows only 6-12 in. tall (15-30 cm) and spreads 24-36 in. (60-90 cm).
- Best in full sun ;in dry, sandy or rocky, alkaline, well-drained soils. This plant prefers cool summers and warm winters and is not reliably hardy in USDA zone 5. Drought tolerant.
- Great choice for rock gardens, coastal gardens, cottage gardens, as edging plant, ground cover or for your border fronts. Lovely on a stone wall for a cascading effect.
- Shear plants after flowering to shape and to promote new growth.
- Propagate by softwood cuttings in late spring or early summer
- Generally pest and disease free
- Native to most of Europe.
Not sure which Helianthemum - Rock Roses to pick?
Compare All Helianthemum - Rock Roses
Buy Helianthemum nummularium (Rock Rose)
Requirements
Hardiness | 6
– 8 |
---|---|
Heat Zones | 6
– 8 |
Climate Zones | 1, 2, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
Plant Type | Shrubs |
Plant Family | Helianthemum - Rock Roses |
Exposure | Full Sun |
Season of Interest |
Spring (Late) Summer (Early) |
Height | 6" – 1' (15cm – 30cm) |
Spread | 2' – 3' (60cm – 90cm) |
Spacing | 24" – 36" (60cm – 90cm) |
Water Needs | Low, Average |
Maintenance | Low |
Soil Type | Chalk, Clay, Loam, Sand |
Soil pH | Alkaline, Neutral |
Soil Drainage | Well-Drained |
Characteristics | Showy, Evergreen |
Native Plants | United Kingdom |
Tolerance | Drought, Dry Soil, Rocky Soil |
Garden Uses | Banks and Slopes, Edging, Ground Covers |
Garden Styles | Coastal Garden, Gravel and Rock Garden, Informal and Cottage |
Great Plant Combination Ideas with Helianthemum - Rock Roses
123rf
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
Requirements
Hardiness | 6
– 8 |
---|---|
Heat Zones | 6
– 8 |
Climate Zones | 1, 2, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
Plant Type | Shrubs |
Plant Family | Helianthemum - Rock Roses |
Exposure | Full Sun |
Season of Interest |
Spring (Late) Summer (Early) |
Height | 6" – 1' (15cm – 30cm) |
Spread | 2' – 3' (60cm – 90cm) |
Spacing | 24" – 36" (60cm – 90cm) |
Water Needs | Low, Average |
Maintenance | Low |
Soil Type | Chalk, Clay, Loam, Sand |
Soil pH | Alkaline, Neutral |
Soil Drainage | Well-Drained |
Characteristics | Showy, Evergreen |
Native Plants | United Kingdom |
Tolerance | Drought, Dry Soil, Rocky Soil |
Garden Uses | Banks and Slopes, Edging, Ground Covers |
Garden Styles | Coastal Garden, Gravel and Rock Garden, Informal and Cottage |
Great Plant Combination Ideas with Helianthemum - Rock Roses