SelecTree: Tree Detail
Lagunaria patersonii 'Royal Purple'
Photo Locations: LA County Arboretum - Arcadia, CA, San Luis Obispo, CA, Quail Arboretum - Encinitas, CA and Santa Barbara City College
Saline and smog tolerant. Purple hibiscus-like flowers. Capsules contain fine hairs that can irritate the skin.
Native to the South Pacific and Australia.
Additional Common Names
PRIMROSE TREE, COW ITCH TREE, NORFOLK ISLAND HIBISCUS
Erect or Spreading with a High Canopy.
Has Evergreen foliage.
Height: 30 - 50 feet.
Width: 20 feet.
Growth Rate: 36 Inches per Year.
Longevity 50 to 150 years.
Leaves Oval, Gray Green, Red, Gold, Orange or Multicolored, Evergreen.
Flowers Showy. Purple. Flowers in Summer. Has perfect flowers (male and female parts in each flower).
Brown Capsule, Medium (0.50 - 1.50 inches), fruiting in Fall Wildlife use it.
Bark Dark Gray, Light Gray or Light Green, Furrowed or Rough.
Shading Capacity Rated as Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 13 and 15 - 24.
USDA Hardiness Zones 9 - 10.
Exposure Full Sun to Partial Shade.
Moist to Dry Soil.
Clay, Loam or Sand Texture.
Highly Acidic to Highly Alkaline Soil pH.
Salinity Tolerance is Moderate on Coast.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Phytophthora and Root Rot.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Low.
Irritant Health Hazard.
Desirable Wildlife Plant.
Wildlife use Fruit.
Special Uses & Values
Cite this tree:
SelecTree. "Lagunaria patersonii 'Royal Purple' Tree Record." 1995-2018. Sep 21, 2018.
< https://selectree.calpoly.edu/tree-detail/lagunaria-patersonii-royal-purple >