Aconitum napellus

Loose-upright clumps, sometimes lilting, may need staking.

80-120 (150) cm tall.

Dark blue flower helmets in many loose racemes; June to July.

Brownish, inconspicuous seed cases.

Decoratively palmate, divided, dark to almost black-green.

No direct sunlight to semi-shady, full shade possible outside trees with intensive root systems; sensitive to heat, loves cool, humid sites, frost hardy.

Fresh to moist, also damp, sensitive to drought; nutritious humic, loamy or clay soil, withers on loose soil.

All Aconitum varieties are very poisonous!