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Polemonium caeruleum ‘White Pearl’

Jacob's ladder

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 flower in May

Plant does flower in June

Plant does not flower in July

Plant does not 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: Polemonium caeruleum 'White Pearl'
  • Common name: Jacob's ladder
  • Family: Polemoniaceae
  • Plant Type: Perennial
Flower colour:

White

Foliage colour:

Green

Jacob’s ladder, Polemonium caeruleum, is a lovely clump-forming perennial, requiring little maintenance. In early summer it produces bell-shaped flowers,

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Plants can be propagated by sowing seed in autumn or spring, or by dividing plants in spring. Polemonium caeruleum ‘White Pearl’ forms a low mound of cream-edged green leaves. In mid-to late spring, clusters of brilliant white flowers hang on upright stems. It’s ideal for using as ground cover at the front of shady borders and edging paths.

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For best results, grow Polemonium reptans ‘White Pearl’ in moist but well-drained soil, in partial shade. Cut back after flowering to encourage a second flush of blooms. In autumn cut back again to ground level.

How to grow Polemonium 'White Pearl'

  • Plant size

    75cm height

    30cm spread

  • Aspect

    North facing, east facing

  • Position in border

    Middle

  • Sun exposure: Dappled shade, partial shade, full shade
  • Hardiness: Hardy
  • Soil type: Well drained / light / sandy / clay / heavy / moist / chalky / alkaline

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
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 Plant in July

Do Plant in August

Do 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 flower in May

Plant does flower in June

Plant does not flower in July

Plant does not 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

Divide
Divide

Do not Divide in January

Do not Divide in February

Do Divide in March

Do Divide in April

Do Divide in May

Do not Divide in June

Do not Divide in July

Do not Divide in August

Do not Divide in September

Do not Divide in October

Do not Divide in November

Do not Divide in December

Polemonium 'White Pearl' and wildlife

Polemonium 'White Pearl' has no particular known value to wildlife in the UK.

Is Polemonium 'White Pearl' poisonous?

Polemonium 'White Pearl' 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