Fern-leaf Goldthread
Coptis asplenifolia

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Coptis (kop-tiss) (Info)
Species: asplenifolia (ass-plee-ni-FOH-lee-a) (Info)

Category:

Perennials

Height:

6-12 in. (15-30 cm)

12-18 in. (30-45 cm)

Spacing:

6-9 in. (15-22 cm)

Hardiness:

USDA Zone 2a: to -45.5 C (-50 F)

USDA Zone 2b: to -42.7 C (-45 F)

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)

Sun Exposure:

Partial to Full Shade

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

White/Near White

Bloom Time:

Late Spring/Early Summer

Foliage:

Shiny/Glossy-Textured

Other details:

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

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Unknown - Tell us

Propagation Methods:

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

From seed; germinate in a damp paper towel

Seed Collecting:

Seed does not store well; sow as soon as possible

Gardeners' Notes:

No details have been posted.