Lithodora diffusa ‘Grace Ward’

Scientific name: Lithodora diffusa ‘Grace Ward’

Synonym: Lithospermum prostratum ‘Grace Ward’


Common names: “purple gromwell ‘Grace Ward'”

Plant Type: Evergreen shrub


Zone: 6-9

Light: Full sun

Exposure: Sheltered

Soil: Average, acidic-neutral, prefers sandy loam, not clay

Moisture: Moist well drained


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


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