Scientific name: Lithodora diffusa ‘Grace Ward’
Synonym: Lithospermum prostratum ‘Grace Ward’
Family: BORAGINACEAE
Common names: “purple gromwell ‘Grace Ward'”
Plant Type: Evergreen shrub
Conditions:
Zone: 6-9
Light: Full sun
Exposure: Sheltered
Soil: Average, acidic-neutral, prefers sandy loam, not clay
Moisture: Moist well drained
Aesthetic:
Plant Size: H 3″-6″ W 24″
Leaf and Stem shape: Small, oblong, coarsely hairy leaves
Flower: Star-shaped, cymes of intense deep blue flowers, blooms late spring and summer
Pruning: Prune after flowering to keep neat, don’t cut into the brown, leave some green
Maintenance: Low
Landscape use: Attractive over edge of walls, flower beds, gravel or rock garden, container
Propagate: By semi-ripe cuttings in summer
Pests & Disease: Generally healthy, deer
Comments: ~AGM winner, long season, very nice blue
