Lithospernum Heavenly Blue
Botanical name
Lithodora diffusa ‘Heavenly Blue’
Other names
Purple gromwell ‘Heavenly Blue’, Lithospermum diffusum ‘Heavenly Blue’, Blue lithospermum, Lithospermum diffusa ‘Heavenly Blue’
Genus
Lithodora
Variety or Cultivar
‘Heavenly Blue’ _ ‘Heavenly Blue’ is a prostrate, mat-forming, evergreen shrub, bearing small, hairy, elliptic to narrowly oblong, dark green leaves and cymes of deep blue flowers from late spring into summer.
Native to
Garden origin
Foliage
Evergreen
Habit
Compact, Mat Forming, Spreading
Awards
RHS AGM (Award of Garden Merit)
Flower
Blue in Spring; Blue in Summer
Foliage
Green in Spring; Green in Summer
General care
Propagation methods
Semi-hardwood cuttings
Lithodora diffusa ‘Heavenly Blue’ (Purple gromwell ‘Heavenly Blue’) will reach a height of 0.15m and a spread of 0.6m after 5-10 years.
Suggested uses
Banks and Slopes, Beds and borders, Garden edging, Gravel, Ground Cover, Rock
Cultivation
Plant in humus rich, acid soil in full sun. Ideal for a rock or gravel garden. Place rocks close to the plant so the soil underneath remains cool and moist in a hot summer.
Soil type
Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Neutral
Light
Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered