SelecTree: Tree Detail
Photo Locations: Lotusland - Santa Barbara, CA, Los Angeles County Arboretum - Arcadia, CA, San Francisco, CA, Alice Keck Park Memorial Garden - Santa Barbara, CA and Cal Poly Campus - San Luis Obispo, CA
Fairly drought resistant.
This plant is classified as a watch species by the California Invasive Plant Council (Cal-IPC). It is not currently invasive but has been ranked as a high risk for becoming invasive in the future.
Has fragrant Flower.
Native to Australia.
Compact and Erect or Spreading with a Low Canopy.
Rounded or Spreading Shape.
Has Evergreen foliage.
Height: 30 - 40 feet.
Width: 30 - 40 feet.
Growth Rate: 24 to 36 Inches per Year.
Longevity 50 to 150 years.
Leaves Lanceolate to Oblong, Green, No Change, Evergreen.
Flowers Showy. Fragrant White. Flowers in Spring. Has perfect flowers (male and female parts in each flower).
Prolific, Orange or Yellow Capsule, Small (0.25 - 0.50 inches), fruiting in Fall.
Bark Light Gray, Smooth.
Shading Capacity Rated as Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 14 - 17 and 21 - 24; H1, H2.
USDA Hardiness Zones 9 - 10.
Exposure Full Sun to Partial Shade.
Wet to Moist Soil.
Clay, Loam or Sand Texture.
Slightly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Aphids and Scales, Sooty Mold.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Low.
Allergy Health Hazard.
Biogenic Emissions considered Low.
Fire Resistance is Favorable.
Special Uses & Values
Cite this tree:
SelecTree. "Pittosporum undulatum Tree Record." 1995-2020. Dec 5, 2020.
< https://selectree.calpoly.edu/tree-detail/pittosporum-undulatum >
SelecTree Nursery Connection Map
Cal Poly / ESRI