Overview

Thalictrum occidentale is a clump forming herbaceous perennial in the genus Thalictrum, part of the Ranunculaceae family, with deciduous foliage. Thalictrum occidentale grows best in partial shade, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden and flower borders and beds.

About

Thalictrum occidentale is a species of flowering plant in the buttercup family known by the common name western meadow-rue. It is native to northwestern North America from Alaska and western Canada to northern California to Wyoming and Colorado, where it grows in shady habitat types such as forest understory and more open, moist habitat such as meadows.

Growing conditions

Best soil and position for Thalictrum

Sunlight
Partial shade
Soil type
Loam
Soil pH
Neutral
Soil moisture
Moist but well-drained
Aspect
East-facing, North-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Thalictrum occidentale size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous
Suggested uses
Cottage and informal garden, Flower borders and beds

Care notes

Pruning and caring for Thalictrum occidentale

Propagation
Seed, Division
Pest resistance
Slugs
Disease resistance
Powdery mildews

Frequently asked questions

Where is the best place to plant Thalictrum occidentale?

Thalictrum occidentale prefers partial shade. It suits sheltered positions.

What soil does Thalictrum occidentale need?

Thalictrum occidentale grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Thalictrum occidentale hardy in the UK?

Thalictrum occidentale has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Thalictrum occidentale?

Seed, Division.

More in the Thalictrum genus

Browse all Thalictrum