Rocky Knoll Farm
Calluna vulgaris 'Caleb Threlkeld' Heather
$26
Calluna Caleb Threlkeld is an exceptional Heather cultivar with lavender flowers and dense, dark green foliage. Its prostrate mat form stays under 6 inches tall and spreads 15-18 inches. It is named after the author of the first Irish Flora, who came from Threlkeld in Cumberland.
Perfect for borders, slopes, and containers, this evergreen shrub requires full sun and well-draining acidic soil. It is hardy to -20°F when protected from windchill.
Plant Type
Shrub
Bloom Time
Summer-Fall
Bloom Color
Lavender
Hardy Threshold
-20°F
Zones
4-9
Sun Exposure
Full Sun
Mature Height
6 Inches
Spread
18 Inches
Soil
Well-Draining
Foliage
Evergreen
Features
