Contents
Description
Pittosporum Kirkii, also known as Kirk’s Pittosporum, is an evergreen shrub that belongs to the Pittosporum family. It is native to New Zealand and grows up to a height of 3 to 5 meters. It has a rounded shape and a dense canopy of glossy, dark green leaves that are oval in shape and have a leathery texture. The leaves are about 10-15 cm long and 4-7 cm wide. The plant produces small, fragrant, cream-colored flowers that bloom in late spring and early 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
Pittosporum Kirkii has a rounded shape and a dense canopy of glossy, dark green leaves that are oval in shape and have a leathery texture. The leaves are about 10-15 cm long and 4-7 cm wide. The plant produces small, fragrant, cream-colored flowers that bloom in late spring and early summer. The flowers are followed by small, woody capsules that contain seeds. The bark of the plant is brown and smooth when young, but becomes rough and fissured as it ages.
Care Guide
Pittosporum Kirkii is a low-maintenance plant that is easy to care for. Here are some care tips:
- Water: Water the plant regularly during the growing season, but avoid overwatering as it can cause root rot. Allow the soil to dry out slightly between waterings.
- Fertilization: Fertilize the plant once a year in spring with a balanced fertilizer.
- Soil: The plant prefers well-drained, slightly acidic soil. If the soil is too alkaline, the leaves may turn yellow.
- Sunlight: The plant prefers full sun to partial shade. Too much shade can result in leggy growth and fewer flowers.
- Hardiness Zones: Pittosporum Kirkii is hardy in USDA zones 9 to 11.
Common Pests & Diseases
Pittosporum Kirkii is generally resistant to pests and diseases. However, it may be susceptible to scale insects, which can be treated with insecticidal soap or horticultural oil. The plant may also be susceptible to root rot if overwatered.
Habitat
Pittosporum Kirkii is native to New Zealand and can be found growing in forests, scrubland, and along stream banks. It prefers moist, well-drained soil and is often used as a hedge or ornamental plant in gardens.
Question and Answer
Q: Can Pittosporum Kirkii tolerate drought?
A: No, the plant prefers moist soil and may suffer from drought stress if not watered regularly.
Q: Is Pittosporum Kirkii toxic to pets?
A: The plant is not toxic to pets, but it is always best to keep pets from chewing on plants.
Q: Can Pittosporum Kirkii be grown in containers?
A: Yes, the plant can be grown in containers as long as the container is large enough to accommodate the plant’s root system and the soil is well-drained.
Q: How often should Pittosporum Kirkii be pruned?
A: The plant can be pruned in late winter or early spring to maintain its shape and size. It is best to avoid pruning in the fall as it may stimulate new growth that will be susceptible to frost damage.
Related Plants
- Pittosporum Tobira
- Pittosporum Eugenioides
- Pittosporum Tenuifolium
- Pittosporum Undulatum
References
- “Pittosporum Kirkii.” New Zealand Plant Conservation Network, http://www.nzpcn.org.nz/flora_details.aspx?ID=1519
- “Pittosporum Kirkii.” Floridata, http://www.floridata.com/Plants/Pittosporaceae/Pittosporum%20kirkii/901
- “Pittosporum Kirkii.” PlantZAfrica, http://pza.sanbi.org/pittosporum-kirkii
