Sophora Species, Large-Leaved Kowhai, North Island Kowhai
Sophoratetraptera

Family: Fabaceae (fab-AY-see-ee)
Genus: Sophora (SOF-or-uh)
Species: tetraptera (tet-ra-TER-uh)

Synonym:Edwardsia grandiflora

Synonym:Edwardsia tetraptera

Category
Shrubs
Trees

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

Sun Exposure
Sun to Partial Shade

Foliage
Evergreen

Foliage Color

Height
20-30 ft. (6-9 m)

Spacing
15-20 ft. (4.7-6 m)

Hardiness
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Where to Grow

Danger
N/A

Bloom Color
Bright Yellow

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

Soil pH requirements
6.6 to 7.5 (neutral)

Patent Information
Non-patented

Propagation Methods
From seed; direct sow outdoors in fall
From seed; direct sow after last frost

Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds