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Plant details
Jacob's ladder, Polemonium caeruleum is an easy perennial to grow and one of Pippa Greenwood's favourite choices for coping with rabbits in the garden. Not only do rabbits seem to leave it alone but it also an attractive plant for the border with moist but well-drained soil. It forms clumps of dark green leaves, and in early summer produces spikes of lavender-blue, bell-shaped flowers. To prolong flowering, deadhead regularly. Plants can be propagated by sowing seed in autumn or spring, or by dividing plants in spring.
Family: Polemoniaceae
Genus: Polemonium
Species: caeruleum
Plant type: Hardy perennial
Flower colour: Blue
Foliage colour: Dark green
Feature: Flowers
Sun exposure: Full sun, Partial shade
Soil: Well-drained/light, Clay/heavy, Moist
Hardiness: Hardy
Skill level: Beginner
Height: 75cm
Spread: 30cm
Time to plant seeds: September to May
Time to divide plants: March to May
Flowering period: June to June
Reader reviews
polemonium
As well as being rabbit proof are also slug and snail proof but the flowers are edible for humans so great in salads and cake decoration.
I have flowers on the different plants from March to November, and the bees and pollinating insects love them.
Surz
Ive just bought one of these and planted it out today... I hope I am successful with it as I think its gorgeous!
Peter Hewitt
Polemonium are very prolific and they will seed all over the garden aqnd give you a lovely show, I only purchased one plant and have got hundred or more.
Pete
bumblebee2
Very easy to grow from seed and you can pretty much leave it to its own devices all year, I get a lovely range of white and purple flowers from Mid May onwards.
x-rated
It is not yet flowering but I'm looking forward to a splendid show.
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