Silene uniflora (Sea Campion)
A common sight on the seacoasts of Western Europe, Silene uniflora (Sea Campion) is a low-growing, semi-evergreen perennial forming a mat of smooth, blue-green, waxy leaves which are lanceolate, stalkless and borne in opposite pairs. Blooming for 6-8 weeks in late spring to early summer, masses of white flowers, 1 in. across (2.5 cm), are borne singly or in small clusters and rise on short, erect stems above the foliage. Each blossom is adorned with five bi-lobed petals and an inflated green-tinged fused calyx. Rich in pollen, they attract butterflies and other pollinating insects. This perennial wildflower is short-lived but self-seeds. Undemanding, Sea Campion makes an ideal rock garden specimen and looks great dripping out of mixed containers. Excellent as a groundcover in cottage gardens or for naturalizing in hot dry locations.
- Grows up to 6 in. tall (15 cm) and 8 in. wide (20 cm).
- Pest and disease free and low maintenance, this eye-catching beauty is also drought tolerant (once established).
- Thrives in full sun in average, dry to medium moisture, well-drained soils. Excellent drainage is essential.
- Easily propagated from seed and may self-seed in sunny sites.
- Native to coastal regions of Western and Northern Europe.
Requirements
Hardiness | 3 – 8 |
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Heat Zones | 1 – 7 |
Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
Plant Type | Perennials |
Plant Family | Silene – Campions |
Exposure | Full Sun |
Season of Interest | Spring (Late)Summer (Early) |
Height | 5" – 6" (12cm – 15cm) |
Spread | 7" – 8" (17cm – 20cm) |
Spacing | 8″ (20cm) |
Water Needs | Low |
Maintenance | Low |
Soil Type | Chalk, Loam, Sand |
Soil pH | Alkaline, Neutral |
Soil Drainage | Moist but Well-Drained, Well-Drained |
Characteristics | Showy, Semi-Evergreen |
Tolerance | Drought, Dry Soil, Rocky Soil, Salt |
Attracts | Butterflies |
Garden Uses | Beds and Borders, Ground Covers, Patio and Containers |
Garden Styles | Gravel and Rock Garden, Informal and Cottage |