About
Calluna vulgaris 'Joan Sparkes' is a resilient evergreen shrub characterized by its tidy growth and vibrant green leaves that persist throughout winter. This cultivar serves effectively as ground cover. In summer and extending into autumn, it produces double mauve blooms.
About the genus
Calluna consists of compact, evergreen shrubs that feature stems covered in small, overlapping leaves. At their tips, these plants bear spike-like clusters of diminutive, four-petaled flowers, each adorned with colored calyces.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Clay, Loam, Sand
- Soil pH
- Acid
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, North-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
- Plant type
- Shrubs
- Habit
- Bushy
- Foliage
- Evergreen
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, Patio and container plants, Rock garden, Coastal
Care notes
- Cultivation
- Grow in well-drained, acidic soil in full sun. See Hardy heathers for further advice
- Pruning
- Pruning group 10
- Propagation
- Propagate by semi-hardwood cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to honey fungus (rarely) and other fungal diseases