Pittosporum

Description

Pittosporum is a genus of evergreen shrubs and small trees that are native to Asia, Australia, and the Pacific Islands. The name Pittosporum comes from the Greek words “pitta,” meaning pitch, and “sporos,” meaning seed, which refers to the sticky coating of the seeds. There are around 200 species of Pittosporum, with varying sizes and growth habits.

Taxonomic Information

Appearance

Pittosporum plants have glossy, leathery leaves that are arranged in a spiral pattern. The leaves can be either green or variegated with white, yellow, or cream. The flowers are usually small and inconspicuous, but some species have fragrant and showy flowers. The fruit of the Pittosporum is a capsule that contains many small seeds covered in a sticky coating.

Care Guide

Water: Pittosporum plants prefer moist but well-draining soil. Water the plant deeply once a week during the growing season, and reduce watering during the winter months.Fertilization: Fertilize Pittosporum plants with a balanced fertilizer in the spring and summer months.Soil: Pittosporum plants prefer well-draining soil that is rich in organic matter. They can tolerate a range of soil pH levels.Sunlight: Pittosporum plants prefer full sun to partial shade. They can tolerate some shade but may not flower as well.Hardiness Zones: Pittosporum plants can be grown in USDA hardiness zones 8 to 11.

Common Pests & Diseases

Pittosporum plants can be susceptible to various pests and diseases. Some common pests include scale insects, mealybugs, and spider mites. Diseases that can affect Pittosporum include root rot, leaf spot, and powdery mildew. Proper care and maintenance can help prevent pest and disease problems.

Habitat

Pittosporum plants are native to Asia, Australia, and the Pacific Islands. They can be found in a variety of habitats, including forests, scrublands, and coastal areas. Some species are also cultivated as ornamental plants.

Question and Answer

Q: Can Pittosporum plants be grown indoors?

A: Yes, Pittosporum plants can be grown indoors in bright, indirect light. They may need more frequent watering and fertilization than outdoor plants.

Q: How often should I prune my Pittosporum plant?

A: Prune Pittosporum plants in the spring after flowering to maintain their shape and size. Remove any dead or damaged branches as needed.

Q: Are Pittosporum plants toxic to pets?

A: Some species of Pittosporum can be toxic to pets if ingested. Check with your veterinarian if you have concerns about your pet’s safety.

Q: Can Pittosporum plants be propagated from cuttings?

A: Yes, Pittosporum plants can be propagated from stem cuttings taken in the spring or summer. Dip the cuttings in rooting hormone and plant them in well-draining soil.

Related Plants

Here are some related plants in the Pittosporum genus:

• Pittosporum crassifolium
• Pittosporum eugenioides
• Pittosporum tenuifolium
• Pittosporum tobira

References

• “Pittosporum.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c550.
• “Pittosporum.” Royal Horticultural Society, www.rhs.org.uk/Plants/53030/Pittosporum/Details.
• “Pittosporum.” University of Florida IFAS Extension, edis.ifas.ufl.edu/topic_pittosporum.