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
Centaurea
'Jordy'
bachelor's button
Showcase a combination of grace and high drama by planting a patch of dreamily dark Centaurea 'Jordy'. With fine, shaggy petals in an alluring shade of deep purple, set against silvery-grey foliage, this modern bachelor's button or knapweed has a license to thrill! Even the patterned flower buds are pretty. Native to the mountain meadows and woodlands of continental Europe, nectar-rich Centaurea is loved by pollinators of all kinds, and the sensational Centaurea 'Jordy' is no exception—it’s a wildlife-garden beauty.
Find a spot for Centaurea montana 'Jordy' in a sunny or partially shaded part of the garden, in a moist but well-drained soil. Flowering in early summer, knapweed will respond well to a chop-back soon after flowering to encourage a second flush of blooms later in the season. Centaurea 'Jordy' is a hardy perennial that is very resilient and will grow back every year. Each year the clump will spread slightly, eventually providing you with rewardingly gorgeous swathes of early summer colour.
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
- Centaurea montana 'Jordy'
- Flower colour
- Deep purple
- Established height
- 30-50cm
- Established spread
- 30-50cm
- Growing skill
- Easy to grow
- Habit
-
Clump-forming
Upright - Hardiness
- Half hardy
- Leaf colour
- Green
- Mouse resistant
- Yes
- Plant size
- 1
- Plant spacing
- 5 plants per m2
- Pollinator friendly
- No
- Position
- Sheltered
- Rabbit resistant
- Yes
- RHS Award (AGM)
- Yes
- Scented
- No
- Soil acidity
- Acid, any
- Soil moisture
-
Damp
Free draining - Soil type
-
Loam
Sandy
Loam-based compost
Multipurpose compost - Suitable for
-
Borders
Ground cover
Cottage gardens
Exotic gardens - Sunlight
-
Full sun
Partial shade - Toxicity
- Toxic if eaten
- Years to establish
- 2-3 years
Great for shade
Thrives in full sun
Perennial
Packed peat-free
Low maintenance
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