trefle.io · Taken Apr 21, 2018 by Marcos Rivas Campoamor (cc-by-sa)
Cistaceae
White rock-rose
Helianthemum apenninum
Also known as Helianthemum polifolium var. apenninum, Cistus apenninus, Helianthemum variabile var. apenninum, Gum cistus
Native Plants · Trees & Shrubs · Rock-Rose · White-Flowers · Drought-Tolerant · Mediterranean · Rock-Garden · Pollinator · Subshrub · Well-Drained · Sun-Loving · Low-Maintenance
White rock-rose is a sun-loving, drought-tolerant subshrub that produces charming white flowers with yellow centres in late spring and summer. Plant it in well-drained, even poor or chalky soil in a sunny border or rock garden and water sparingly once established. It requires little maintenance but benefits from a light trim after flowering to keep a tidy, compact shape.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water sparingly; allow soil to dry out almost completely between waterings · Every 10-14 days during growing season; reduce in winter
- Maintenance
- Low
- Soil
- sandy loam
- Soil pH
- 7.5–8
- Temperature
- -30°F to 95°F
- Cycle
- Perennial
Hardiness
USDA 4a-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 10 ft
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Albania, Baleares, Belgium, East Aegean Is., France, Germany, Great Britain, Greece, Italy, Kriti, Morocco, Portugal, Spain, Switzerland
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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