Jacob's Ladder
- Botanical Name
- Polemonium caeruleum
- Hardiness
- Zones 3 to 7
- Height
- 18 to 24 inches
- Width
- 18 to 24 inches
- Flowers
- Late spring to early summer: blue, pink, white
- Light
- Full sun to part shade
- Soil
- Moist, well-drained
- Planting & Care
- Jacob's ladder prefers soil with consistent moisture, mulch soil with shredded leaves, pine needles or other organic matter
- Though tolerant of full sun, Jacob's ladder prefers partial shade, especially in the afternoon
- Plants will decline in high heat and humidity
- Cut plants back to basal foliage after bloom to tidy appearance, promote reblooming and to prevent unwanted reseeding
- Plants rarely need division, for propagation divide in late summer
- Plants may need staking or other support
- Problems
- Foliage scorch with too much sun, brown foliage in dry soil
- Varieties
- Apricot Delight - blue-purple flowers with orange centers
- Album - white flowers
- Brise d'Anjou - foliage sports creamy white margins
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