Cirsium rivulare Frosted Magic ('Lowcir'PBR)
plume thistle [Frosted Magic]
A clump-formiing perennial up to 1.2m high with a basal rosette of green leaves and flowering stems of pincushion-like white flowerheads, throughout the summer if deadheaded; the flowers are good for pollinators, and the seedheads may provide food for finches
Buy this plant
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Green | White | Green | |
Autumn | Green | Green | ||
Winter |
Position
- Full sun
Aspect
West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Asteraceae
- Native to GB / Ireland
- No
- Foliage
- Semi evergreen
- Habit
- Clump forming
- Genus
Cirsium may be biennials or perennials with spiny leaves and typical thistle-type flower-heads
- Name status
Trade
How to grow
Cultivation
Grow in full sun in moist but well-drained soil
Propagation
Propagate by division from autumn to spring or by root cuttings; propagation for resale is illegal without a licence from the breeder
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Wildlife gardens
- Prairie planting
- Cut flowers
- Flower borders and beds
Pruning
No pruning required except deadheading to prolong the flowering season
Pests
Generally pest-free
Diseases
May be affected by powdery mildews
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.