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Jacobs Ladder

Polemonium caeruleum, Polemoniaceae

Zones
3–7
Lifespan
Perennial
Growth
Moderate

Growing Conditions

Soil pH

5.5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Rocky Mountain ColumbineAquilegia caerulea
Shade ProvisionPollinator Sharing

Antagonistic Plants

Indian GrassSorghastrum nutans

Indian grass's vigorous growth outcompetes and shades Jacob's ladder

Common Questions

What zones does Jacobs Ladder grow in?

Jacobs Ladder grows in USDA hardiness zones 3 through 7.

What are good companion plants for Jacobs Ladder?

Good companions for Jacobs Ladder include Rocky Mountain Columbine.

Design guilds with Jacobs Ladder and see companion relationships visually.

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