Unpack bare roots or rhizomes on arrival and plant them within a week. Until then, keep them somewhere cool and ensure the roots remain slightly moist, never wet.
Out of season
Deluxe
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).
Quantity
Plant profile
Plant calendar
Remove the packaging straight away, check the compost and water thoroughly if dry. Check the plant’s hardiness before placing it outdoors. Plant into a border or permanent container within a month, choosing the position recommended for the variety. Keep the top of the root ball level with the surrounding soil, firm gently and water well.
Soak the roots in water for three to six hours immediately before planting. Keep any crown, buds or emerging shoots above the water where possible.
Pot most bare roots into 15–20cm pots filled with peat-free multipurpose compost. Large or depth-sensitive roots, including peonies, are often best planted directly into borders.
Arrange the roots naturally without bending them. Cover the roots completely, positioning the crown and buds at the depth recommended for that particular perennial.
Keep pots in a sheltered outdoor position and water whenever the compost begins to dry. Grow on until roots hold the compost together when lifted from the pot.
Plant into a suitable border or permanent container once well rooted. Add a label and water regularly throughout the first growing season while the perennial establishes.
- Botanical name
- Thalictrum flavum subsp. glaucum
- Flower colour
- Yellow
- Established height
- 1-1.2m
- Established spread
- 30-50cm
- Growing skill
- Easy to grow
- Habit
-
Upright
Clump-forming - Hardiness
- Fully hardy
- Leaf colour
- Green
- Mouse resistant
- No
- Plant size
- 1
- Plant spacing
- 3 plants per m2
- Pollinator friendly
- No
- Position
- Sheltered
- Rabbit resistant
- No
- Scented
- No
- Soil acidity
- Any
- Soil moisture
-
Free draining
Damp
Boggy - Soil type
-
Loam
Sandy
Multipurpose compost
Loam-based compost
Clay - Suitable for
-
Borders
Woodland gardens
Cottage gardens
Water gardens
Cut flower gardens
Wildlife gardens - Sunlight
-
Full sun
Partial shade - Toxicity
- No report
- Years to establish
- 2-3 years
Good for cutting
Pollinator-friendly
Great for shade
Perennial
Fully hardy
Packed peat-free
Naturalising
Attracts wildlife
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Thalictrum flavum glaucum reviews
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