Lithodora diffusa 'Grace Ward'
purple gromwell 'Grace Ward'
A low-growing or prostrate evergreen shrub forming a wide mat, to 15cm tall, with small, oblong, coarsely hairy leaves, and star-shaped, intense deep blue flowers 15mm wide in late spring and summer
Other common names
gromwell 'Grace Ward'Synonyms
Lithospermum 'Grace Ward'Lithodora diffusa 'Grace Ward'
see moreLithospermum prostratum 'Grace Ward'
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 North–facing or West–facing or East–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 an acidic soil in a rock garden or raised bed
Propagation
Propagate by semi-hardwood cuttings
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Gravel garden
- Rock garden
- Patio and container plants
Pruning
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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