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Silene vulgaris
bladder campion
Cheerful and effortlessly elegant in the border, this upright, woody-based perennial brings a relaxed, cottage-garden feel with its soft grey-green...
approx seeds
available to order from summer
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Plant description
Cheerful and effortlessly elegant in the border, this upright, woody-based perennial brings a relaxed, cottage-garden feel with its soft grey-green oval foliage and naturally airy habit. Rising to around 80cm (2½ft), it forms a light framework that works beautifully among grasses and other informal planting, adding structure without heaviness.
From late spring right through to autumn, Silene vulgaris produces loose sprays of white flowers about 2.5cm (1in) across, each held in a distinctive inflated, balloon-like calyx that gives the blooms extended pollinator and cut-flower interest. It’s happiest in neutral to alkaline soils and really shines in sunny, free-draining spots where it can weave itself gently through a mixed border.
Keep it looking fresh by cutting it back hard when it starts to tire, and it will bounce back quickly with another flush of growth and flowers, making it a reliable, easy-going choice for long-season interest.
From late spring right through to autumn, Silene vulgaris produces loose sprays of white flowers about 2.5cm (1in) across, each held in a distinctive inflated, balloon-like calyx that gives the blooms extended pollinator and cut-flower interest. It’s happiest in neutral to alkaline soils and really shines in sunny, free-draining spots where it can weave itself gently through a mixed border.
Keep it looking fresh by cutting it back hard when it starts to tire, and it will bounce back quickly with another flush of growth and flowers, making it a reliable, easy-going choice for long-season interest.
Eventual height & spread
Flowering period
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Plant features
Position
Full sun
Rate of growth
Average
Soil
Moderately fertile, moist, well-drained soil
Hardiness
Fully hardy
How to care for Silene vulgaris:
Once planted out, Silene prefers a spot in full sun with fertile, moisture-retentive but well-drained soil. Water regularly during dry spells, especially in the first season while plants establish. Avoid waterlogged conditions, as they can cause root rot.
Deadhead spent flowers to encourage continued blooming, or leave some seed heads if you want it to self-seed. Tall stems may benefit from staking in exposed spots to prevent flopping. Cut back spent growth in autumn or early spring.
Deadhead spent flowers to encourage continued blooming, or leave some seed heads if you want it to self-seed. Tall stems may benefit from staking in exposed spots to prevent flopping. Cut back spent growth in autumn or early spring.
Sowing instructions:
Sow indoors from late winter to early spring (February to April) at around 18-21°C (64-70°F) in trays of moist seed compost. Sow the seeds thinly on the surface and lightly press them in, but don’t cover, as light aids germination. Keep the compost moist but not wet.
Germination typically takes 2–3 weeks. Once seedlings are large enough to handle, pot them on individually and grow on in cooler conditions. Harden off before planting out after the last frost. Alternatively, sow direct outdoors in late spring, in finely prepared soil. Thin seedlings to final spacing once established.
Germination typically takes 2–3 weeks. Once seedlings are large enough to handle, pot them on individually and grow on in cooler conditions. Harden off before planting out after the last frost. Alternatively, sow direct outdoors in late spring, in finely prepared soil. Thin seedlings to final spacing once established.
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