North Island Kowhai (Sophora tetraptera)

Plant characteristics at a glance

Plant type

Tree

Botanical or cultivar name

Sophora tetraptera

Common name

North Island Kowhai

Flower colours

yellow

Foliage colours

not recorded

Light mentioned in source

Not specified

Flowering season in source

Winter - Spring

Garden use tags

Coastal gardens, Wet ground, Bird-friendly

NZ native

Listed here as a NZ native

Colours, seasons and tolerance descriptions are indicative. Flowering and growth can differ with cultivar, weather, soil and the particular garden site.

Where North Island Kowhai may fit in a Christchurch garden

Where roots or branches could affect access, plan work before a plant grows into surrounding structures.

Possible uses to explore include coastal gardens, wet ground, bird-friendly. These are reference tags, not a guarantee of success on every property.

Look at existing hedges, paths, lawn edges and neighbouring plants before deciding where to place it. A compact city garden has different needs from an open rural or restoration planting.

Sun, drainage and local conditions

First establish whether the space gets full sun, partial shade or very little direct light, then check the species' requirements before placing it.

For damp sites, distinguish moisture-retentive soil from persistent waterlogging. Do not assume a wetland-related plant will suit every waterlogged section.

Before planting, test soil drainage after rain and consider whether winter frosts, easterly winds or summer drying will affect establishment.

Care and maintenance

Check the mature canopy, roots and distance from paths, drains and buildings before planting. Young trees benefit from planned establishment care; tall, damaged or power-line-adjacent specimens need specialist assessment.

Watering, feeding and pruning should follow the exact species and site. Observe the plant through the first full growing season; adjust the plan rather than applying the same schedule to every shrub, tree or flower.

Reference and plant identification

This entry draws on factual characteristics in a publicly listed Canterbury nursery catalogue. For identification details and more botanical information, see the Goughs Nurseries listing for Sophora tetraptera ↗. Kiwi Gardeners is independent of the nursery. We do not reproduce its photographs, descriptions or stock claims.

If you are unsure of a cultivar, check the actual plant label and seek horticultural advice before purchasing. Avoid introducing regulated or invasive species, and check local rules where relevant.