Aconitum japonicum

Also Known As

Monkshood

Plant type

perennial

size

H: 2'-3'
W: 1'-2'

planting zones

4a-9b

More Options

Aconitum japonicum plant details

Aconitum japonicum is a broadleaf deciduous perennial with green foliage. In spring and summer blue, lavender and purple flowers emerge. Features glossy texture. Grows well with sun - mostly shade and even moisture - regular water. Adapts to various soil conditions. Does well in average, clay, gritty, rich and well-drained soil. A good option if you're seeking something humidity tolerant.

CHARACTERISTICS OF Aconitum japonicum

Plant type: perennial
Plant family: ranunculaceae
Foliage: deciduous green
Mature size: 1 FT - 2 FT - wide, 2 FT - 3 FT - tall
Flowers: blue, lavender and purple blooms in spring and summer
Uses: clumping, easy-to-grow, ornamental, toxic, woodland garden

GROWING CONDITIONS for Aconitum japonicum

USDA Zones: 4a - 9b
Sun exposure: sun - mostly shade
Watering frequency: even moisture - regular
Resistant to: deer and rabbit, humidity
Soil needs: average, clay, gritty, rich and well-drained

Nursery contributed plant descriptions

Japanese monkshood has strong upright stems that often arch outwards at bloom time, especially in part shade. The blue to purple-blue hooded flowers are classic monkshood and offer a great display for the summer garden.

By: Phoenix Perennials and Specialty Plants Ltd.

Blooms: summer-fall, blue, early emerging, glossy foliage Zone 4-9. 3', Japan, part shade-shade, moist, well drained

By: Keeping it Green Nursery

This is a fine wildflower from Japan making attractive clumps with cowled dusky lavender flowers. This has been an easy doer increasing easily and the clumps are a snap to divide if you want more. And we always do.