Aconitum
Aconitum spicatum

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Aconitum (a-kon-EYE-tum) (Info)
Species: spicatum (spi-KAH-tum) (Info)

Category:

Perennials

Height:

4-6 ft. (1.2-1.8 m)

Spacing:

9-12 in. (22-30 cm)

Hardiness:

USDA Zone 3a: to -39.9 C (-40 F)

USDA Zone 3b: to -37.2 C (-35 F)

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

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

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

Sun Exposure:

Sun to Partial Shade

Light Shade

Danger:

All parts of plant are poisonous if ingested

Pollen may cause allergic reaction

Bloom Color:

Medium Blue

Bloom Time:

Mid Summer

Late Summer/Early Fall

Mid Fall

Foliage:

Herbaceous

Smooth-Textured

Shiny/Glossy-Textured

Other details:

This plant is resistant to deer

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Non-patented

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

From seed; direct sow outdoors in fall

Direct sow as soon as the ground can be worked

From seed; direct sow after last frost

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Allow seedheads to dry on plants; remove and collect seeds

Seed does not store well; sow as soon as possible

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Oct 19, 2006, Veshengo from Faversham
United Kingdom (Zone 8a) wrote:

It was found to be growing at 3,100m on the Singalila Ridge, the border between Eastern Nepal and Northern Indian.