Aconitum carmichaelii 'Royal Flush'PBR
monk's hood 'Royal Flush'
A compact perennial to 60cm tall with glossy divided leaves coloured bronze-red in spring before turning a deep green. Upright spikes of dark blue, hooded flowers are borne from early to mid autumn
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Size
Ultimate height
0.5–1 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 | Bronze Red | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Blue | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
North–facing or West–facing or East–facing
Exposure
Sheltered Hardiness
H7Botanical details
- Family
- Ranunculaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Potentially harmful
- TOXIC if eaten, avoid skin contact. Wear gloves and other protective equipment when handling. Pets: TOXIC if eaten, avoid skin contact - see the HTA guide to potentially harmful plants for further information and useful contact numbers
- Genus
Aconitum can be herbaceous perennials or biennials with lobed leaves and racemes or panicles of showy, hooded flowers
- Name status
Accepted
How to grow
Cultivation
Best grown in moisture-retentive fertile soil in partial shade but sun and most soils are tolerated.
Propagation
Propagate by division in autumn or late winter to maintain vigour, although plants can be slow to re-establish. Use gloves when handling plants
Suggested planting locations and garden types
- Cottage and informal garden
- Wildlife gardens
- Flower borders and beds
Pruning
Tall stems can be pruned down later in autumn when flowering is finished
Pests
May be susceptible to aphids
Diseases
May be susceptible to fungal stem rot and Verticillium wilt
Get involved
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