Jeffersonia Species, Twinleaf

Jeffersoniadubia

Family
Berberidaceae (bear-ber-id-AY-see-ee)
Genus
Jeffersonia (Jefferson-ee-a)
Species
dubia (DOO-bee-uh)
Synonym
Plagiorhegma dubia
Sun Exposure
Light Shade
Partial to Full Shade
Full Shade
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
Bloom Color
Light Blue
Lavender
Bloom Time
Mid Spring
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Seed does not store well; sow as soon as possible
Regional

This plant is said to grow outdoors in the following regions:

Sittingbourne,

Shelburne Falls, Massachusetts

Eveleth, Minnesota

Saint Cloud, Minnesota

Saint Louis, Missouri

Voorheesville, New York

Wilkes Barre, Pennsylvania

De Pere, Wisconsin

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Featured Videos

Gardener's Notes:

2
positives
1
neutral
0
negative
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A
Calgary, AB (Zone 3b) | June 2015 | neutral

It does not appear to be fussy about soil pH, as it seems to grow very well here in alkaline soil (pH 8); hardy down to at least zone 3 a...Read More

C
ROSLINDALE, MA | May 2014 | positive

A beautiful spring woodland wildflower for acid soil. Flowers can be medium blue-violet, very fleeting. Leaves are lovely. Goes dormant i...Read More

P
(Zone 8a) | April 2003 | positive

This is an exquisite little woodland plant from Japan.
It likes humus rich, acidic soil in a shady place with plenty of leaf mould...Read More

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