Sophora Species, Kowhai
Sophoramicrophylla

Synonym:Edwardsia grandiflora var. microphylla

Synonym:Edwardsia microphylla

Synonym:Sophora tetraptera

Synonym:Sophora tetraptera var. microphylla

Category
Trees

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

Sun Exposure
Sun to Partial Shade

Foliage
Evergreen
Deciduous

Foliage Color

Height
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)

Spacing
10-12 ft. (3-3.6 m)

Hardiness
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)
USDA Zone 11: above 4.5 °C (40 °F)

Where to Grow

Danger
Seed is poisonous if ingested
Parts of plant are poisonous if ingested

Bloom Color
Bright Yellow

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
Scarify seed before sowing

Seed Collecting
Allow pods to dry on plant; break open to collect seeds