Thalictrum filamentosum
thread-like meadow rue
A clump-forming perennial to 70cm tall and 50cm wide and spread by rhizomes; glaucous leaves are composed of leaflets and from late spring to late summer producesshort stems bearing loose panicles of fluffy white flowers
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | White | Green Blue | ||
---|---|---|---|---|
Summer | White | Green Blue | ||
Autumn | Green Blue | |||
Winter |
Position
- Partial shade
Aspect
East–facing or North–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Ranunculaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Potentially harmful
- Contact with foliage may irritate the skin. Wear gloves and other protective equipment when handling
- Genus
Thalictrum can be rhizomatous or tuberous perennials with ternately or pinnately divided, often attractive foliage, and panicles or racemes of small flowers with showy stamens and sometimes large colourful petal-like sepals
- Name status
Correct
- Plant range
- Russia, China
How to grow
Cultivation
Grow in moist, humus-rich soil in partial shade
Propagation
Propagate by seed in pots in a cold frame as soon as seed is ripe or in early spring. Propagate by division in spring as new growth begins
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- Gravel garden
- Wildflower meadow
- City and courtyard gardens
- Rock garden
- Flower borders and beds
Pruning
Cut down stems once flowering is over
Pests
Slugs may be a problem
Diseases
May be subject to powdery mildews in dry conditions
Get involved
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