Lithodora diffusa White Star (Gromwell)
A showstopper, Lithodora diffusa ‘White Star’ (Gromwell) is a low-growing evergreen shrub forming a neat, round cushion clothed in small, lance-shaped, glossy green, hairy leaves. In spring and summer, the shrub is covered with abundant, gleaming white star-shaped flowers outlined in vibrant blue. Compact and easy to grow, this plant is ideal for rock gardens, slopes, and cascading over retaining walls. A choice groundcover making an unforgettable display week after week.
A showstopper, Lithodora diffusa 'White Star' (Gromwell) is a low-growing evergreen shrub forming a neat, round cushion clothed in small, lance-shaped, glossy green, hairy leaves. In spring and summer, the shrub is covered with abundant, gleaming white star-shaped flowers outlined in vibrant blue. Compact and easy to grow, this plant is ideal for rock gardens, slopes, and cascading over retaining walls. A choice groundcover making an unforgettable display week after week.
- Grows up to 6-9 in. tall (15-22 cm) and 12-18 in. wide (30-45 cm).
- Easily grown in acidic, well-drained soils in full sun or partial shade. Full sun is best in cool summer climates, but some afternoon shade is appreciated in hot summer climates.
- Deer resistant
- Great for beds and borders, slopes, as a groundcover, cottage gardens, coastal gardens, city gardens, Mediterranean gardens, or gravel and rock gardens. Good choice for containers too.
- Virtually disease and pest free
- Trim back after flowering. Propagate by semi-hardwood cuttings
- Native to Southern and Western Europe.
Requirements
| Hardiness | 6 – 9 |
|---|---|
| Heat Zones | 6 – 8 |
| Climate Zones | 5, 6, 7, 14, 15, 16, 17 |
| Plant Type | Shrubs |
| Plant Family | Lithodora – Gromwells |
| Exposure | Full Sun, Partial Sun |
| Season of Interest | Spring (Late)Summer (Early,Mid,Late) |
| Height | 6" – 9" (15cm – 22cm) |
| Spread | 1' – 2' (30cm – 60cm) |
| Spacing | 12″ – 18″ (30cm – 45cm) |
| Water Needs | Average |
| Maintenance | Low |
| Soil Type | Loam, Sand |
| Soil pH | Acid, Neutral |
| Soil Drainage | Well-Drained |
| Characteristics | Showy, Evergreen |
| Tolerance | Deer |
| Attracts | Butterflies |
| Garden Uses | Banks and Slopes, Beds and Borders, Ground Covers, Patio and Containers |
| Garden Styles | City and Courtyard, Coastal Garden, Gravel and Rock Garden, Informal and Cottage, Mediterranean Garden |