description Pittosporum tenuifolium (Kohuhu) Overview
Pittosporum tenuifolium, commonly called kohuhu, is an evergreen shrub or small tree native to New Zealand. It has small, often wavy-edged leaves on dark stems and produces inconspicuous dark purple to nearly black flowers whose fragrance is strongest at night. Its dense branching and tolerance of regular clipping make it useful for hedges, screens, and ornamental planting, while cut leafy stems are also used in floristry.
insights Ranking position
Pittosporum tenuifolium (Kohuhu) ranks #198 of 535 in the Shrub ranking, behind Juniperus horizontalis, ahead of Spiraea nipponica 'Snowmound'.
help Pittosporum tenuifolium (Kohuhu) FAQ
How tall does Pittosporum tenuifolium grow?
Pittosporum tenuifolium (kohuhu) can grow to around 10 meters tall in its native New Zealand, though in garden settings it is often maintained as a smaller shrub or hedge. Its dense branching habit makes it respond well to pruning.
Does Pittosporum tenuifolium produce fragrant flowers?
Yes, kohuhu produces small dark purple to nearly black flowers that are inconspicuous visually but emit a noticeable fragrance, strongest at night. The scent is one of the features that makes it a popular ornamental plant in suitable climates.
Can Pittosporum tenuifolium be used as a hedge?
Yes, Pittosporum tenuifolium is widely used as a hedging and screening plant due to its dense branching and small, wavy-edged evergreen leaves. It tolerates regular pruning and can be shaped effectively for privacy screens.
Is Pittosporum tenuifolium frost tolerant?
Kohuhu is generally tolerant of light frost and can survive in mild temperate climates, but it may suffer damage in prolonged or hard freezes. In colder regions it benefits from a sheltered position to protect new growth.
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