Lithodora diffusa
Purple Gromwell, Acid Soil Lithodora
Family: Boraginaceae Borage
| Type | Shrub |
| USDA Hardiness range | 7A - 8A |
| Exposure | Partial shade to full sun |
| Bloom color | Blue |
| Bloom time | Summer |
| Water needs | Moist |
| Landscape uses | Border, rock garden, specimen |
| Height | 18" to 24" / 45cm to 60cm |
| Spread | 12" to 24" / 30cm to 60cm |
| Growth rate | Moderate |
| Persistence | Evergreen, semi-evergreen |
| Bloom attributes | Suitable for cut flowers |
| Leaf color | Green |
| Fruit color | n/a |
| Soil pH requirements | Acidic, neutral |
| Soil type | Loamy |
| Form | Rounded |
| Attributes and features | Attractive foilage |