Thalictrum flavum glaucum
"Glaucous-leaved yellow rue"
Orders placed until 29 February 2025
You can expect your order in February/March 2025
Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025
Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
UK orders over £50
Free shipping
UK orders under £50
£4.99
Northern Ireland orders under £50
£5.99
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Description
Thalictrum flavum subsp. glaucum is a real winner in a mixed border. A strong and stately plant, it grows a mound of handsome powdery blue-green leaves which, in early and mid-summer, are accompanied by stiff, upright, branched stems, topped with fluffy, soft yellow flowers. A tall plant—at around 180cm—Thalictrum flavum subsp. glaucum is ideal for the midway point or even back of a border. And even better, it does not require staking!
Its common name—glaucous-leaved yellow meadow-rue—is almost as much of a mouthful as its Latin name! But please don’t let either name put you off growing this beautiful plant. A humus-rich soil, in either full sun or part-shade, will ensure that it flourishes. Sheltered conditions are best, rather than a place fully exposed to the wind. Thalictrum flavum subsp. glaucum has an architectural quality that will really lift your beds and borders, and it looks particularly good with larger grasses, such as Miscanthus, and underplanted with lady's mantle (Alchemilla mollis).
Key features
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Good for cutting
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Comes back every year
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Attractive to wildlife
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Loved by pollinators
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Naturalising
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Great for shade
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In peat-free compost
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Fully hardy
Specs & details
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Botanical name
Thalictrum flavum subsp. glaucum
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Flower colour
Yellow
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Plant size
1
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Established height
1-1.2m
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Established spread
30-50cm
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Plant spacing
3 plants per m2
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Leaf colour
Green
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Habit
Upright
Clump-forming -
Life cycle
Perennial
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Hardiness
Fully hardy
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Years to establish
2-3 years
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Sunlight
Full sun
Partial shade -
Position
Sheltered
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Suitable for
Borders
Woodland gardens
Cottage gardens
Water gardens
Cut flower gardens
Wildlife gardens -
Soil acidity
Any
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Soil moisture
Free draining
Damp
Boggy -
Soil type
Loam
Sandy
Multipurpose compost
Loam-based compost
Clay -
Growing skill
Easy to grow
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Scented
No
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Pollinator-friendly
No
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Mouse resistant
No
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Rabbit resistant
No
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Deer resistant
Yes
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Toxicity
No report
Plant calendar
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Soak the Thalictrum flavum glaucum roots in water for 3-6 hours prior to planting
Plant your "Glaucous-leaved yellow rue" bare roots into temporary pots with a multipurpose compost in spring and grow-on in a sheltered spot outdoors
Choose a pot which comfortably fits the bare roots. Some have a noticeable crown which should be just below the soil surface with any top growth exposed. Some varieties are a length of root which should be planted lengthways and shallowly (1-2cm deep).
Plant out into borders or permanent containers in late spring or early summer once in full growth. Choose a position in sun or shade depending on the variety.
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Orders placed until 29 February 2025
You can expect your order in February/March 2025Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
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