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

Category
Perennials

Water Requirements
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Light Shade
Partial to Full Shade
Full Shade

Foliage
Herbaceous

Foliage Color

Height
6-12 in. (15-30 cm)

Spacing

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

Where to Grow

Danger

Bloom Color
Light Blue
Lavender

Bloom Characteristics

Bloom Size

Bloom Time
Mid Spring

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