Photo by Melody

PlantFiles: Aconitum, Monkshood
Aconitum napiforme

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Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Aconitum (a-kon-EYE-tum) (Info)
Species: napiforme (nap-ih-FORM-ee) (Info)

Synonym:Aconitum japonicum subsp. napiforme

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Category:
Perennials

Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing:
Unknown - Tell us

Hardiness:
USDA Zone 6a: to -23.3 C (-10 F)

Sun Exposure:
Sun to Partial Shade
Light Shade

Danger:
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Medium Blue

Bloom Time:
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
Requires consistently moist soil; do not let dry out between waterings
Self-sows freely; deadhead if you do not want volunteer seedlings next season
This plant is resistant to deer

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

Propagation Methods:
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Wear gloves to protect hands when handling seeds
Properly cleaned, seed can be successfully stored

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By GartenGrl
Thumbnail #1 of Aconitum napiforme by GartenGrl

By GartenGrl
Thumbnail #2 of Aconitum napiforme by GartenGrl

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral saya On Jul 21, 2006, saya from Heerlen
Netherlands (Zone 8b) wrote:

A monkshood growing on wooded, damp hill sides, in the Odaesan area of South Korea. Plants 30-50cm tall, with congested terminal racemes of purple-blue/ mid-blue flowers. Sun or shade in any drained soil.

Regional...

This plant has been said to grow in the following regions:

Barton Hills, Michigan
Adams, New York



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