Kōwhai - Sophora microphylla (Care, Characteristics, Flower, Images)

Kōwhai

Also known as: Weeping kōwhai

Native to New Zealand, kōwhai is an evergreen species of flowering shrub or small tree. The nectar of its flowers are toxic to honeybees. The long yellow blooms are unofficially considered to be the national flower of New Zealand.

Scientific classification

Species

Kōwhai (Sophora microphylla)

Legumes, milkworts and allies

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Perennial

Lifespan

Tree, Shrub

Plant Type

Spring

Bloom Time

3 m

Plant Height

3 m

Spread

Green

Leaf Color

Evergreen

Leaf type

20 - 38 ℃

Ideal Temperature

Images of Kōwhai

Distribution of Kōwhai

Distribution Map

Kōwhai is a plant indigenous to the southwestern Pacific region. It has been successfully introduced and cultivated in various temperate zones worldwide. The plant's native range is confined to areas characterized by a milder oceanic climate, while its cultivation extends across suitable habitats in subtropical and temperate regions globally.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Along rivers, Forest outskirts, Open places

Hemisphere Trend Curve

Northern

Sorthern

Quickly Identify Kōwhai

Small tree up to 25 feet (7.62 meters) tall

Vivid yellow blooms in late winter to spring

Divaricating, bushy juvenile phase transitioning to upright mature form

Resilient to low temperatures, surviving down to at least 20°F (-6.67°C)

Compound leaves with fine texture

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Care Guide for Kōwhai

Every 2 weeks

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Kōwhai prefers drier conditions and is drought-tolerant, needing water only every two weeks. Primarily grown outdoors, it benefits from natural rainfall. As a deciduous plant, kōwhai's water needs decrease during dormancy, conserving resources for the growing season.

Fertilize: To enhance growth and flowering, kōwhai requires balanced fertilizers. Apply slow-release, all-purpose formulas with equal NPK ratios in spring, reducing strength in autumn. Water thoroughly after fertilizing, and monitor kōwhai's response for optimal adjustments to its fertilization regimen.

Pruning: Kōwhai, featuring vibrant yellow blooms, thrives with early to late winter pruning. Prioritize removing dead wood and thinning dense areas for better airflow. Lighter, frequent trims enhance blooming and minimize disease, fostering a healthy and visually appealing plant.

Propagation: Kōwhai features cascading yellow flowers and fern-like foliage. For successful propagation, use fresh seeds and consider scarification for better water uptake. Seedlings thrive in well-draining soil with consistent moisture. A sheltered environment and regular balanced fertilization foster healthy growth.

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