Kohuhu, Black Pittosporum

Pittosporum tenuifolium

Pittosporum tenuifolium (Kohuhu, Black Pittosporum) - full view

Full view

Pittosporum tenuifolium (Kohuhu, Black Pittosporum) - leaves

Foliage detail

Pittosporum tenuifolium (Kohuhu, Black Pittosporum) - bark

Bark detail

  • Size:

    Height: 15-25'; Spread: 10-15'

  • Growth:

    Moderate to fast

  • Character:

    Evergreen; conical or oval crown.

  • Foliage:

    Glossy, green, oval leaves, 1-3", with undalated margins. Petioles dark purple/brown to black.

  • Flower:

    1/2" dark purple flowers in spring.

  • Fruit:

    1/2" black capsules with sticky seeds.

  • Bark:

    Smooth, dark gray.

  • Watering:

    In general, 15-20 gallons per week for the first 2 years; 15-20 gallons twice a month for the 3rd year; as needed after 3 years (varies by soil, sun, and wind conditions).

  • Tree Care:

    Low. Early pruning needed to train a good shape; pruning needed less frequently with age.

  • Tolerance:

    Coastal conditions, any soil, some shade, and medium winds.

  • Special Considerations:

    Very adaptable tree. Susceptible to aphids, scale, and sooty mold. Thin prune in late winter.

  • Notable Traits:

    Native to New Zealand. Flowers are fragrant at night.