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Jacob's Ladder
Polemonium
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Description:
Best known for its fern-like, colorful foliage and attractive upright flower
spikes. The leaflets give a "ladder" effect on each side of the stem.
Jacob's Ladder likes to be planted in a cool, moist location as it does not
like hot, humid conditions. Remove spent blooms to prolong blooming
period.
|
| Common Name: |
Jacob's Ladder |
| Botanical
Name: |
Polemonium |
| Type: |
Perennial |
| Soil
Preference: |
Prefers moist, well-drained
soils with a neutral pH. This plant is sensitive to humidity. |
| Light
Requirements: |
Partial Sun to Partial Shade |
| Attributes: |
Rock garden, woodland garden,
containers |
| Pests: |
Rabbits, aphids |
| Diseases: |
Root rot, Leaf spot, Mildew, Rust, Crown rot,
Leaf scorch, Cucumber mosaic virus, Iimpatien necrotic spot virus |
| Good Companion
Plants: |
Astilbe,
Columbine, Coral Bells,
Carex, Hosta,
Siberian Iris,
Lilyturf, Solomon's Seal |
| Care: |
Dead-head spent blooms. Remove only dead
foliage in
spring. This plant can be divided in fall or spring. Fertilize
with Plant-tone according to directions. Planting
Instructions: Perennials
Water & Fertilizer Schedule |
| Varieties: |
Click on image to view larger size |
Polemonium
boreale 'Heavenly Habit'
Jacob's Ladder
zones
|
| Description:
Blue and fragrant – a rare combination! Each flower includes a yellow halo
and a large, white eye with outstanding stamens. |
| Bloom Color: |
Blue |
| Bloom Time: |
Early Summer |
| Foliage Color: |
Green |
| Height: |
18-20” |
| Spread: |
12-15” |
|
Click on image to view larger size |
Polemonium
caeruleum
Jacob's Ladder
zones
|
| Description: Nodding
lavender blue flowers bloom atop tall, erect stems. |
| Bloom Color: |
Blue |
| Bloom Time: |
Early Summer |
| Foliage Color: |
Green |
| Height: |
24" |
| Spread: |
|
|
Click on image to view larger size |
Polemonium
caeruleum 'Brise D' Anjou'
Jacob's Ladder
zones
|
| Description: Forms
lush clumps of fresh green leaves with cream edges that can easily be
mistaken for some kind of fern. Little blue-lavender flowers with a white
center bloom in early summer. |
| Bloom Color: |
Blue-lavender |
| Bloom Time: |
Early Summer |
| Foliage Color: |
Variegated green & cream |
| Height: |
18" |
| Spread: |
36" |
|
Click on image to view larger size |
Polemonium
caeruleum 'Snow & Sapphires'
Jacob's Ladder
zones 3-7
|
| Description: Snow
and Sapphires is an outstanding cultivar which makes a bold statement in the
garden. The large fern-like leaflets are light green with a winter white
border. Fragrant, sky-blue flowers appear on tall stems above the mounded
foliage in early summer. |
| Bloom Color: |
Blue |
| Bloom Time: |
Early Summer |
| Foliage Color: |
Variegated green & white |
| Height: |
24-30" |
| Spread: |
15-20" |
|
Click on image to view larger size |
Polemonium
pauciflorum 'Sulfur Trumpets'
Jacob's Ladder
zones
|
| Description: Elegant,
nodding three inch pale yellow trumpets bloom atop silvery fern-like
foliage. Thank you to Ivy Garth Seeds for use of their image |
| Bloom Color: |
Yellow/Orange |
| Bloom Time: |
Early Summer |
| Foliage Color: |
Silvery Green |
| Height: |
18" |
| Spread: |
|
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