Pittosporum Bicolor

Description

Pittosporum Bicolor, also known as Bicolour Kohuhu, is an evergreen shrub that belongs to the Pittosporum genus. It is native to New Zealand and can grow up to 4 meters tall. Pittosporum Bicolor is characterized by its glossy oval leaves with green and silvery-white colors. The plant produces small flowers with a sweet fragrance that bloom in late spring and early summer.

Taxonomic Information

Appearance

Pittosporum Bicolor has an attractive appearance that makes it a popular choice for landscaping. Its leaves are glossy and oval-shaped, measuring about 3-6 cm long and 2-3 cm wide. The upper surface of the leaves is green, while the lower surface has a silvery-white color. The plant produces small flowers that have a sweet fragrance and are about 1 cm in diameter. The flowers are white or cream-colored with purple spots and bloom in late spring and early summer. Pittosporum Bicolor can grow up to 4 meters tall and 3 meters wide, making it a great choice for hedges or as a specimen plant.

Care Guide

Pittosporum Bicolor is a low-maintenance plant that is easy to care for. Here are some tips on how to care for this plant:

• Water: Water regularly during the growing season, but avoid overwatering. Allow the soil to dry out slightly between waterings.
• Fertilization: Fertilize with a balanced fertilizer in the spring and summer to promote growth and flowering.
• Soil: Pittosporum Bicolor prefers well-draining soil that is rich in organic matter. It can tolerate a wide range of soil types, including sandy and clay soils.
• Sunlight: This plant prefers full sun to partial shade. It can tolerate some shade but may not flower as well in low light conditions.
• Hardiness Zones: Pittosporum Bicolor is hardy in USDA zones 9-11.

Common Pests & Diseases

Pittosporum Bicolor is generally resistant to pests and diseases. However, it may occasionally be affected by the following:

• Scales: These insects can cause yellowing and wilting of leaves. Use insecticidal soap to control infestations.
• Root Rot: Overwatering can cause root rot, which can be fatal to the plant. Ensure proper drainage and avoid overwatering.
• Leaf Spot: This fungal disease can cause brown spots on the leaves. Remove infected leaves and treat with a fungicide.

Habitat

Pittosporum Bicolor is native to New Zealand and grows in a variety of habitats, including coastal forests, scrublands, and stream banks. It prefers well-draining soil and can tolerate salty conditions near the coast.

Question and Answer

Q: Can Pittosporum Bicolor be grown in containers?
A: Yes, Pittosporum Bicolor can be grown in containers as long as they are large enough to accommodate the plant’s root system.

Q: How often should I prune my Pittosporum Bicolor?
A: Prune your Pittosporum Bicolor in late winter or early spring to maintain its shape and size. Remove any dead or damaged branches as needed.

Q: Is Pittosporum Bicolor a fast-growing plant?
A: Pittosporum Bicolor is a moderate to fast-growing plant, especially in ideal growing conditions.

Q: How can I propagate Pittosporum Bicolor?
A: You can propagate Pittosporum Bicolor from cuttings taken in the summer or early autumn. Dip the cuttings in rooting hormone and plant in well-draining soil.

Related Plants

• Pittosporum tenuifolium
• Pittosporum tobira
• Pittosporum eugenoides

References

• “Pittosporum Bicolor.” New Zealand Plant Conservation Network. n.d. https://www.nzpcn.org.nz/flora/species/pittosporum-bicolor/
• “Pittosporum Bicolor.” Royal Horticultural Society. n.d. https://www.rhs.org.uk/plants/14822/pittosporum-bicolor/details
• “Pittosporum Bicolor.” University of Florida IFAS Extension. n.d. https://sfyl.ifas.ufl.edu/media/sfylifasufledu/leon/docs/pdf/horticulture/pittosporum-bicolor.pdf