Polemonium 'Blue Pearl' and White Pearl Mix'

A pretty, delicate perennial which flowers as the tulips go over from May. More
200 seeds 120176 £2.95 Now £2.36

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A pretty, delicate perennial which flowers as the tulips go over from May. It cuts well, looking simple and beautiful arranged in a mass on its own – the blue and white a lovely soft contrast.

Genus Polemonium
Group/Species caeruleum
Type Hardy Perennial
Common Name Jacobs Ladder
Border Position Container, Front, Ground Cover, Middle
Soil Type Chalky, Clay, Fertile, Heavy Clay, Neutral, Sandy
Scent Unscented
Site Full Sun, Part Shade
Moisture Moist but Well-drained
Height 90cm (36in)
Spacing 30cm (12in)
Sowing, Seeds, Planting Surface sow onto quality compost, covering the seed with a sprinkling of vermiculite. Transplant seedlings when large enough to handle to 9cm pots and grow on in light shade. Overwinter in a cold frame for the winter and acclimatise before you plant out in the following Spring after the last frosts.
Care Tips These plants will self-sow. Deadhead if you do not want a scattering of random seedlings next year. Allow to die down over winter and remove old foliage if desired.
Flowering June - July the following year
Vase Life Sear stem ends in boiling water for 10 seconds.
Harvesting Flower production: 2 months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest

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Polemonium 'Blue Pearl' and White Pearl Mix' reviews

* * * - - Average based on 3 reviews

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Reviewed 31st July 2019 by Gill

Only a couple of seeds grew and didn’t transplant well. Had no flowering plants

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Reviewed 31st July 2019 by Judi

These didn’t germinate although griwn in greenhouse and I followed instructions

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Reviewed 14th November 2018 by Joyce

Germinated fairly easily. All been badly mildewed however, to the extent of losing some, but summer was exceptional this year of course.