Twinleaf, Helmet Pod, Ground Squirrel Pea
Jeffersoniadiphylla

Category
Groundcovers
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Partial to Full Shade

Foliage
Herbaceous

Foliage Color
Dark/Black

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

Spacing
9-12 in. (22-30 cm)

Hardiness
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)
USDA Zone 8b: to -9.4 °C (15 °F)

Where to Grow

Danger
N/A

Bloom Color
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Late Winter/Early Spring

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors

Seed Collecting
Seed does not store well; sow as soon as possible
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed