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Jacob's
Ladder

Polemonium
 

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.  Photo courtesy of Walters Gardens, Inc.

 

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:

This variety listing is for informational purposes only, it is not a catalog. 
To view our catalog or availability, click here

 


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:  


Click on image to view larger size

Photo courtesy of Walters Gardens, Inc.

 

Polemonium 'Touch of Class'
Jacob's Ladder
zones 3-7
 
Description: This beautiful finely textured perennial has delicate lacy foliage that forms a low mound. The compound leaves are green with a narrow, bright white edge. From early to midsummer, a plethora of pink buds open to reveal small, very pale blue flowers. After it is finished blooming, the plant may need to be cut back to allow for a fresh flush of foliage.  'Touch of Class' is a sport of the popular 'Stairway to Heaven' that was introduced by Sunny Border Nurseries.  This easy-to-grow perennial looks great in the middle to front of the flower border. It pairs superbly with broad leaved perennials such as hostas.
Bloom Color: Pink
Bloom Time: Early Summer
Foliage Color: Variegated; green/white
Height: 14"
Spread: 18"
 

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