Thalictrum uchiyamae
A vigorous, upright, clump-forming perennial up to 1.5m tall with blue-green foilage divided into three-lobed leaflets. Tall, branching stems bear airy clouds of tiny pinkish-purple flowers with prominent, yellow-tipped stamens from late spring into early summer
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Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Pink Purple Yellow | Green Blue | ||
|---|---|---|---|---|
| Summer | Pink Purple Yellow | 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 GB / Ireland
- 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
- Japan S Korea
How to grow
Cultivation
Grow in moisture-retentive, humus-rich but well-drained soil in partial shade, and provide support if necessary, for example by growing among shrubs. See staking perennials for further advice
Propagation
Propagate by seed or by division
Suggested planting locations and garden types
- Cottage and informal garden
- Cut flowers
- 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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