About
Aconitum napellus subsp. vulgare 'Albidum' is a robust herbaceous perennial that typically reaches a height of around 1.5 meters. It features finely dissected, dark green foliage with slender lobes. From mid to late summer, it produces upright, unbranched spikes adorned with hooded white flowers, which may exhibit a subtle grey tint.
About the genus
Aconitum consists of herbaceous perennials or biennials characterized by lobed foliage and clusters of hooded flowers arranged in racemes or panicles.
Growing conditions
- Sunlight
- Partial shade
- Soil type
- Clay, Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- North-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H7
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 1-1.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, Wildlife gardens, Architectural
- Toxicity
- 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
Care notes
- Cultivation
- Best grown in cool, moist, fertile soil in partial shade, but will tolerate most soils and full sun if soil is improved with well-rotted organic matter and mulched
- Pruning
- No pruning required except cutting back dead stems; use protective gloves
- Propagation
- Propagate by division in autumn or late winter to maintain vigour but plants may be slow to re-establish. Use protective gloves when handling any part of the plant
- Pest resistance
- Generally pest-free but may be susceptible to aphids
- Disease resistance
- May be susceptible to fungal stem rot, powdery mildews, and Verticillium wilt