Aconitum Species

Aconitumlethale

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Aconitum (a-kon-EYE-tum)
Synonym
Aconitum balangrense
Aconitum balfourii
Aconitum deltoideum
Aconitum falconeri
Aconitum spicatum
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Herbaceous
This plant is resistant to deer
Smooth
Textured
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)
Danger
All parts of plant are poisonous if ingested
Pollen may cause allergic reaction
Bloom Color
Dark Blue
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
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
Regional

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Gardener's Notes:

0
positive
1
neutral
0
negative
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V
(Zone 8a) | October 2006 | neutral

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

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