- Eventual Height: 0.8m
- Eventual Spread: 0.3m
Polemonium caeruleum
Jacobs ladder
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size: 2 litre pot
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available to order from spring 2012
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- Position: full sun or partial shade
- Soil: fertile, moist, well-drained soil
- Rate of growth: average
- Flowering period: June
- Hardiness: fully hardy
Jacob's Ladder gets its name from the arrangement of its leaves – pairs of opposite leaflets resembling a ladder. In early summer, erect stems rise up from the bright green foliage carrying clusters of bell-shaped, lavender-blue flowers. A cottage-garden favourite, Jacob's Ladder is happiest in partial shade, and looks equally at home in a wildlife garden setting or in grass. Although it is short-lived, it self seeds freely.
- Garden care: Cut the plant back after flowering to encourage a second flush of flowers. In autumn cut the faded flowerheads down to the ground and compost the dead stems.
- Eventual Height: 0.8m
- Eventual Spread: 0.3m
Polemonium caeruleum - Jacobs ladder
Bell-shaped, lavender-blue flowers in early summer.