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Polemonium - Jacob's Ladders

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Plant Families / Polemonium - Jacob's Ladders

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Polemonium - Jacob's Ladders

Valued for their blue flowers and fern-like foliage, Polemonium (Jacob's Ladder) can be annuals or herbaceous perennials of upright or spreading habit. Blooming in spring or summer, they are excellent garden plants. The rather delicate foliage mound is handsome on most species and the plants are ornamental, even when not in flower. They do well in cooler climates and require full sun to partial shade, and well-drained soil.

Compare All Polemonium - Jacob's Ladders

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Season of Interest

Spring

Early Spring

Mid Spring

Late Spring

Summer

Early Summer

Mid Summer

Late Summer

Fall

Winter

Exposure

Full Sun

Partial Sun

Shade

Hardiness

Tolerance

Clay Soil

Deer

Drought

Rabbit

Dry Soil

Rocky Soil

Salt

Wet Soil

Attracts

Birds

Butterflies

Hummingbirds

Bees

Plant-Characteristics

Cut Flowers

Dried Arrangements

Fragrant

Plant of Merit

Showy

Evergreen

Semi-Evergreen

Fruit & Berries

Average-Height

< 1'

1' - 2'

2' - 3'

3' - 4'

4' - 5'

5' - 6'

6' - 7'

7' - 8'

8' - 9'

9' - 10'

10' - 20'

20' - 30'

30' - 40'

40' - 50'

> 50'

Average-Spread

< 1'

1' - 2'

2' - 3'

3' - 4'

4' - 5'

5' - 6'

6' - 7'

7' - 8'

8' - 9'

9' - 10'

10' - 20'

20' - 30'

30' - 40'

40' - 50'

> 50'

Soil-Type

Chalk

Clay

Loam

Sand

Soil-Drainage

Moist but Well-Drained

Moisture Retentive

Poorly Drained

Well-Drained

Soil-pH

Acid

Alkaline

Neutral

Polemonium boreale 'Heavenly Habit' (Northern Jacob's Ladder)

Polemonium boreale 'Heavenly Habit' (Northern Jacob's Ladder) is a compact, clump-forming perennial forming a low, bushy mound of fern-like, glossy green leaves. In summer, it is smothered with a profusion of lightly-scented, violet-blue flowers borne atop upright stems.