Japanese Meadow Rue
Thalictrum kiusianum
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7
Water
Moist
Humidity
Moderate
Lifespan
Perennial
Native To
Japan
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Thalictrum kiusianum is a perennial herbaceous plant known for its delicate, airy foliage and clusters of small, pale purple or lavender flowers that create a soft, ornamental display in late spring to summer. This species is distinguished by its fine, fern-like foliage and its ability to produce abundant flowers, making it a popular choice for woodland and shaded garden borders.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into moist soil in fall or early spring
- Water regularly to keep soil evenly moist
- Mulch around base to conserve moisture
- Divide every 3–4 years in early spring
- Prune after flowering to promote bushiness
- Provide partial shade in hot climates
Pro Tip
Ensure consistent moisture and partial shade for best growth
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Mulch to retain soil moisture
- Divide in early spring for vigorous growth
Don't
- Avoid letting soil dry out completely ❌
- Don’t prune late in the season
- Steer clear of overly compacted soil
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Stake |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Japanese Meadow Rue questions
What zones can Japanese Meadow Rue grow in?
Japanese Meadow Rue is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Japanese Meadow Rue deer resistant?
Not reliably. Deer may browse Japanese Meadow Rue, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Japanese Meadow Rue bloom?
Japanese Meadow Rue typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Japanese Meadow Rue need full sun?
Japanese Meadow Rue does best in part shade.
More Thalictrum to compare
White Meadow-rue
Thalictrum aquilegifolium 'Nimbus White'
White Meadow Rue
Thalictrum aquilegiifolium 'Album'
Black Stockings Meadow Rue
Thalictrum thalictrum 'Black Stockings'
Yellow Meadow Rue
Thalictrum flavum 'True Blue'
Lavender Mist Meadow Rue
Thalictrum rochebrunianum 'Korean Form'
Hybrid Meadow Rue
Thalictrum x hybrida 'HH-03CH196'
Keep exploring
Explore the genus
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Hardy in your zone?
Grow Japanese Meadow Rue with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
