Kunzea ericoides aka Knuka

Kunzea ericoides belongs to the myrtle family, Myrtaceae. It also appears under the older name Leptospermum ericoides. Kew places its native range in northern South Island, New Zealand. Plants For A Future gives a broader New Zealand and Australian range. These sources differ on the limits of its native range. It grows in shrubland from low ground into mountain areas. It also grows along shrubland edges.

This evergreen plant can form a shrub or tree. Plants For A Future gives a garden height of about 10 feet [3 metres]. It keeps its leaves throughout the year. Its flowers have a light, sweet scent. Plants For A Future records flowering in May. Each flower has both male and female parts. Insects pollinate the flowers. The supplied species account gives no details about its fruit. A sunny woodland edge is one suggested garden setting.

Grow it in full sun rather than shade. It prefers moist soil that drains well. Sandy loam suits it, though it also accepts loam and clay. Acid soil gives the best results, but neutral soil also works. Choose shelter from winds that dry the plant. It can withstand strong winds, but not exposure beside the sea. Plants For A Future reports cold tolerance near 23°F [−5°C]. In Britain, outdoor growing is limited to milder areas. Young plants need frost protection during their first winter or two.

Avoid disturbing the roots when planting or moving it. Move pot-grown plants into their final site while still young. Old wood does not produce fresh growth after cutting. Keep this limit in mind when planning pruning. Seeds and cuttings offer ways to raise new plants. Sow seeds in spring under glass, with only a thin covering. Keep seedlings under glass through their first winter. Plant them outside after the risk of frost has passed.

Young shoot tips can make a tea. Plants For A Future gives it a low food-use rating. That source reports no known hazards, but this does not establish pet safety. It also records medicinal uses for leaves and young shoots. These are reported uses, not proof of safe treatment. The hard, lasting wood has served for bridges and shingles. Burning the wood gives off a pleasant scent.