Plant Finder Features How It Works Pricing Testimonials Blog

The UK's leading eCommerce platform for horticulture businesses.

Product

Features
How It Works
Pricing

Company

About
Blog
Contact

Legal

Twitter LinkedIn

Jacob's ladder | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

Jacob's ladder

Polemonium caeruleum

Pollinator Friendly

Genus: Polemonium
Family: Polemoniaceae
Common Names: American great valerian, charity, Greek valerian, ladder to heaven, make-bate

About this plant

P. caeruleum is an erect perennial to 90cm tall, with ladder-like, pinnate leaves and stiff stems bearing sprays of blue flowers 2.5cm wide with prominent yellow stamens in early summer; often seeds about rather freely

Growing Information

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ChalkLoamSandy

AcidAlkaline

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Neutral

Moisture

Poorly Drained

Aspect

West FacingNorth FacingEast FacingSouth Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in any fertile, moist but well-drained soil in full sun or partial shade

Pruning

None required except cutting back foliage to ground level at the end of the season

Propagation

Propagate by seed sown in containers, in a cold frame in autumn or spring, or divide in spring

Pests

Usually trouble free

Diseases

Powdery mildews can sometimes be a problem

Garden Uses

Uses

Flower BordersBanks SlopesWildflower MeadowCottage InformalGround Cover

Planting Places

Outdoor

Season of Interest

SpringSummer

Size & Characteristics

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

Five To Ten Years