Jacobs ladder
Polemonium caeruleum

Common Name: Jacobs ladder
Genus: Polemonium
Species: caeruleum
Category: Perennials
Growth Rate: Average
Features: Has interesting foliage
Hardiness: Hardy | Height: 0.30 m (30 cm) |
Sun/Shade: Full sun or Partial shade | Spread: 0.30 m (30 cm) |
Foliage Type: Deciduous | Flower Colour: Blue, Purple |
Foliage Colour: Green | Flowering Period: June |
Soil Type: Normal/Loam
Soil Moisture: Moist, but well drained
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.
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