SelecTree: Tree Detail
Photo Locations: Balboa Park - San Diego, CA, Quail Arboretum - Encinitas, CA and Cal Poly State University - San Luis Obispo, CA
Resistant to oak root fungus. Fairly drought resistant. Takes shearing.
Has fragrant Flower.
Native to Australia.
Additional Common Names
QUEENSLAND PITTOSPORUM, DIAMOND LEAF PITTOSPORUM, DIAMOND-LEAF LAUREL
Compact and Erect or Spreading with a Low Canopy.
Oval, Rounded or Umbrella Shape.
Has Evergreen foliage.
Height: 15 - 35 feet.
Width: 10 - 20 feet.
Growth Rate: 12 to 24 Inches per Year.
Longevity 50 to 150 years.
Leaves Rhomboidal, Glossy Medium 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 Summer.
Bark Light Gray, Smooth.
Shading Capacity Rated as Moderately Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 12 - 24; H1, H2.
USDA Hardiness Zones 9 - 10.
Exposure Full Sun to Partial Shade.
Clay, Loam or Sand Texture.
Slightly Acidic to Highly Alkaline Soil pH.
Seaside Tolerance is Good to Medium in Moderate Zone.
Pests & Disease Information
Resistant to Oak Root Fungus. 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.
Special Uses & Values
Cite this tree:
SelecTree. "Pittosporum rhombifolium Tree Record." 1995-2018. Apr 23, 2018.
< https://selectree.calpoly.edu/tree-detail/pittosporum-rhombifolium >