Contents
Description
Pittosporum Colensoi, commonly known as Colenso’s Pittosporum, is a small evergreen tree that is native to New Zealand. It typically grows to a height of 10-20 feet and has a spread of 8-15 feet. The tree has a rounded canopy and produces small, fragrant, creamy-white flowers in spring and summer. The flowers are followed by small, woody capsules that contain seeds.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Apiales |
| Family | Pittosporaceae |
| Genus | Pittosporum |
Appearance
The leaves of Pittosporum Colensoi are glossy, dark green, and oval-shaped. They are typically 2-4 inches long and 1-2 inches wide. The tree has a dense, compact growth habit and can be pruned to maintain a desired shape. The bark is smooth and greyish-brown in color. The fragrant flowers are small, with a diameter of around 0.5 inches, and are followed by woody capsules that open to reveal the seeds.
Care Guide
Pittosporum Colensoi prefers well-drained soil and full sun to partial shade. It can be grown in USDA hardiness zones 8-11. The tree should be watered regularly, especially during hot, dry weather. Fertilization is recommended in spring and fall, using a balanced fertilizer. Pruning should be done in late winter or early spring, before new growth begins.
Common Pests & Diseases
Pittosporum Colensoi is relatively resistant to pests and diseases. However, it can be susceptible to scale insects, mealybugs, and spider mites. These pests can be controlled with insecticidal soap or horticultural oil. Leaf spot and root rot can occur in poorly drained soil, so it is important to ensure that the soil is well-drained.
Habitat
Pittosporum Colensoi is native to New Zealand and can be found growing in coastal forests and scrublands. The tree is adapted to a wide range of soil types and can tolerate salt spray, making it a good choice for coastal gardens.
Question and Answer
Q: Can Pittosporum Colensoi be grown in containers?
A: Yes, Pittosporum Colensoi can be grown in containers, but it may require more frequent watering and fertilization than when grown in the ground.
Q: How often should Pittosporum Colensoi be fertilized?
A: Pittosporum Colensoi should be fertilized in spring and fall, using a balanced fertilizer.
Q: What is the best time of year to prune Pittosporum Colensoi?
A: Pruning should be done in late winter or early spring, before new growth begins.
Q: How tall can Pittosporum Colensoi grow?
A: Pittosporum Colensoi can grow to a height of 10-20 feet.
Related Plants
- Pittosporum Eugenioides
- Pittosporum Tobira
- Pittosporum Tenuifolium
- Pittosporum Undulatum
References
- “Pittosporum Colensoi.” New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/pittosporum-colensoi/
- “Pittosporum Colensoi.” The Royal Horticultural Society. https://www.rhs.org.uk/Plants/17718/Pittosporum-colensoi/Details
- “Pittosporum Colensoi.” University of Florida IFAS Extension. https://edis.ifas.ufl.edu/fp463
