Silene uniflora ‘Alba’

Silene uniflora ‘Alba’

Sea campion

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does not flower in May

Plant does flower in June

Plant does flower in July

Plant does flower in August

Plant does not flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

  • Botanical name: Silene uniflora 'Alba'
  • Common name: Sea campion
  • Family: Caryophyllaceae
  • Plant Type: Perennial, Evergreen
Flower colour:

White

Foliage colour:

Blue​/​Green

Sea campion, Silene uniflora, is a low-growing, semi-evergreen, native perennial, found in a variety of coastal habitats including cliffs, rocky islands and sand dunes. A small, clump-forming perennial with tiny, grey-green leaves and comparatively large white flowers, it’s similar in form to bladder campion, and was once thought to be a subspecies of it. 

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Silene uniflora ‘Alba’ bears masses of white bell-shaped flowers above blue-green foliage. As a coastal plant it’s tolerant of sandy conditions but also very rich soils, and is tolerant of sun and some shade. It’s ideal for growing in containers and rock gardens, and also in gravel gardens.

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Grow Silene uniflora ‘Alba’ in moist but well-drained soil in sun or shade. Cut back after flowering. 

How to grow Silene 'Alba'

  • Plant size

    15cm height

    15cm spread

  • Aspect

    East facing, south facing, west facing

  • Position in border

    Front

  • Sun exposure: Full sun, dappled shade, partial shade
  • Hardiness: Hardy
  • Soil type: Well drained / light / sandy

Plant calendar

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sow
Sow

Do not Sow in January

Do not Sow in February

Do Sow in March

Do Sow in April

Do not Sow in May

Do not Sow in June

Do not Sow in July

Do not Sow in August

Do not Sow in September

Do not Sow in October

Do not Sow in November

Do not Sow in December

Plant
Plant

Do not Plant in January

Do not Plant in February

Do not Plant in March

Do not Plant in April

Do Plant in May

Do Plant in June

Do not Plant in July

Do not Plant in August

Do not Plant in September

Do not Plant in October

Do not Plant in November

Do not Plant in December

Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does not flower in May

Plant does flower in June

Plant does flower in July

Plant does flower in August

Plant does not flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

Prune
Prune

Do not Prune in January

Do not Prune in February

Do not Prune in March

Do not Prune in April

Do not Prune in May

Do not Prune in June

Do not Prune in July

Do not Prune in August

Do Prune in September

Do Prune in October

Do not Prune in November

Do not Prune in December

Silene 'Alba' and wildlife

Silene 'Alba' is known for attracting bees. It nectar-pollen-rich-flowers.

Attractive to Bees

Does not attract Beneficial insects

Does not attract Birds

Does not attract Butterflies​/​Moths

Does not attract Other pollinators

Is Silene 'Alba' poisonous?

Silene 'Alba' has no toxic effects reported.

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Cats

No reported toxicity to Dogs

No reported toxicity to Horses

No reported toxicity to Livestock

No reported toxicity to People

Plants that go well with Silene 'Alba'