Contents
Description
Pittosporum Heterophyllum is a small, evergreen tree or shrub that is native to New Zealand. It is also known as the ‘Kohuhu’ tree and belongs to the Pittosporum family. This plant species is an attractive ornamental plant commonly grown in gardens and parks for its glossy foliage and fragrant flowers. The Kohuhu tree blooms from spring to early summer, producing small, creamy-white flowers that are sweetly scented.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Apiales |
| Family | Pittosporaceae |
| Genus | Pittosporum |
Appearance
Pittosporum Heterophyllum is a small tree or shrub that can grow up to 10 meters tall. It has a bushy habit with a rounded crown and dark green, glossy leaves that are 5-10 cm long and 2-4 cm wide. The leaves are elliptical or oblong in shape, and they have a wavy margin. The Kohuhu tree produces small, creamy-white flowers that are sweetly scented and appear in clusters during spring and early summer. The fruit of this plant species is a small, woody capsule that contains many seeds.
Care Guide
Pittosporum Heterophyllum is a relatively easy plant to care for. Here are some care tips to keep your Kohuhu tree healthy:
Water: Water regularly, especially during the growing season. Keep the soil moist but not waterlogged. Avoid overwatering, as this can cause root rot.
Fertilization: Fertilize in spring and summer with a balanced, slow-release fertilizer. Follow the manufacturer’s instructions for application rates.
Soil: Plant in well-draining soil that is rich in organic matter. A pH range of 5.5 to 7.0 is ideal.
Sunlight: Plant in full sun to partial shade. The Kohuhu tree can tolerate some shade but prefers full sun.
Hardiness Zones: Pittosporum Heterophyllum is hardy in USDA zones 9 to 11.
Common Pests & Diseases
Pittosporum Heterophyllum is relatively pest and disease-free. However, it can be susceptible to fungal diseases such as powdery mildew, which can be treated with a fungicide. Common pests that may affect this plant species include mealybugs, scale insects, and spider mites. These pests can be controlled with insecticidal soap or neem oil.
Habitat
Pittosporum Heterophyllum is native to New Zealand and can be found growing in coastal and lowland forests, as well as in shrublands and on cliffs. The Kohuhu tree prefers well-draining soil and can tolerate salt spray, making it ideal for coastal gardens.
Question and Answer
Q: Is Pittosporum Heterophyllum toxic to pets?
A: Yes, the Kohuhu tree is toxic to pets if ingested. Keep it out of reach of pets and children.
Q: Can Pittosporum Heterophyllum be grown in a container?
A: Yes, the Kohuhu tree can be grown in a container. Choose a large container with good drainage and use a well-draining potting mix. Water regularly and fertilize as needed.
Q: How often should I prune my Pittosporum Heterophyllum?
A: Prune your Kohuhu tree in early spring to shape it and remove any dead or damaged branches. You can also lightly prune throughout the growing season if necessary.
Q: Does Pittosporum Heterophyllum attract wildlife?
A: Yes, the Kohuhu tree can attract birds and butterflies with its fragrant flowers and glossy foliage.
Related Plants
- Pittosporum Tenuifolium
- Pittosporum Tobira
- Pittosporum Undulatum
- Pittosporum Eugenoides
References
- “Pittosporum Heterophyllum.” New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/pittosporum-heterophyllum/
- “Kohuhu.” The Spruce. https://www.thespruce.com/growing-pittosporum-in-containers-3269279
- “Pittosporum Heterophyllum.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=260343
