Thalictrum petaloideum
A clump-forming, deciduous perennial generally remaining relatively compact with flower stems to 30cm tall but occasionally reaching up to around 60cm. Foliage is blue-green and divided into small, rounded and lobed leaflets. Clusters of small white flowers are borne on slender stems in summer
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, Neutral, AcidColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Blue | |||
|---|---|---|---|---|
| Summer | White | Green Blue | ||
| Autumn | Green Blue | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Ranunculaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- 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
- E Asia
How to grow
Cultivation
Grows best in a moist, humus-rich soil in partial shade
Propagation
Propagate by seed or by division
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Rock garden
- Flower borders and beds
Pruning
Faded flower stems can be cut back in late autumn or in spring before new growth starts emerging
Pests
May be susceptible to slugs
Diseases
May be susceptible to powdery mildews in dry conditions
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