Lithodora diffusa 'Heavenly Blue'
purple gromwell 'Heavenly Blue'
A prostrate evergreen shrub forming a wide mat up to 15cm in height, with small, hairy leaves and abundant, vivid deep blue flowers 12mm in width produced in late spring and summer
Other common names
gromwell 'Heavenly Blue'Synonyms
Lithodora diffusa 'Heavenly Blue'Lithospermum diffusum 'Heavenly Blue'
see moreLithospermum 'Heavenly Blue'
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue | Green | ||
|---|---|---|---|---|
| Summer | Blue | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Boraginaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Matforming
- Genus
A genus of flowering, evergreen, shrubby plants from borage family. They are cultivated for their five-lobed, funnel-shaped, blue or white flowers produced in cymes in summer. Leaves are linear, lance-shaped or elliptic, densely hairy
- Name status
Accepted
How to grow
Cultivation
Excellent for an open, sunny position with well-drained acidic soil in a rock garden or raised bed
Propagation
Propagate by semi-hardwood cuttings
Suggested planting locations and garden types
- Gravel garden
- Rock garden
- Patio and container plants
- Mediterranean climate plants
- Ground cover
Pruning
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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