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Products > Pittosporum tenuifolium
 
Pittosporum tenuifolium - Kohuhu

San Marcos Growers has permanently closed as a business. This is an archived page preserved for informational use.  
Image of Pittosporum tenuifolium
 
Habit and Cultural Information
Category: Shrub
Family: Pittosporaceae (Pittosporums)
Origin: New Zealand (Australasia)
Evergreen: Yes
Flower Color: Purple
Bloomtime: Spring
Synonyms: [Pittosporum nigricans]
Height: 15-25 feet
Width: 10-15 feet
Exposure: Sun or Shade
Seaside: Yes
Irrigation (H2O Info): Medium Water Needs
Winter Hardiness: 15-20° F
May be Poisonous  (More Info): Yes
Pittosporum tenuifolium (Kohuhu) - A fast growing dense evergreen upright shrub or small tree that grows to 20 to 30 feet tall. It has glossy medium green oval slightly undulating leaves that are held on dark, nearly black, new stems and dark fragrant purple flowers held in small clusters in the spring that are followed by small orange fruit.

Plant in full coastal sun or part shade, with occasional watering. Seaside tolerant. Hardy to 15-20 ° F. An attractive tall hedge or screening plant that does particularly well in cooler coastal gardens.

Pittosporum tenuifolium is native to both islands of New Zealand where it is common in the lower mountain forests from sea level up to nearly 3,000 feet. The name Pittosporum comes from the Greek words 'pitta' meaning "pitch" and 'spora' meaning "seed" in reference to the sticky seeds of many members of the genus. The specific epithet tenuifolia is from the Latin words 'tenu' meaning "slender" and 'foli' meaning "leaves" in reference to the slenderer leaves of this species. This plant was first introduced in San Francisco (as P. nigra) by sea captain James Walsh (spelled in some sources as Welsh or Welch), who returned from a trip to Australia and New Zealand (and possibly Japan) in 1865 with many plants that have been in cultivation in California ever since.

We have continuously grown this plant since 1981 and in 2020 introduced a seedling hybrid of it that we named Pittosporum 'Green Geno'

The information displayed on this page about Pittosporum tenuifolium is based on our research conducted about this plant from books in our nursery library as well as from information that is provided by reliable online resources. We also have included our own observations made about it as it grew in the nursery gardens and other gardens visited, as well how the crops of this plant performed in the containers when we had them in our nursery field. We also include comments received from others and welcome hearing from anyone who has information about this plant, particularly if it includes cultural information aiding others to better grow it.

 
We closed for regular business at the end of 2025 in order for the property to be developed for affordable housing.
Our gates remain closed but we will open them by appointment to interested parties as we liquidate remaining supplies and equipment.