Native: central California

General Notes:

An Aesculus californica in Swanton Pacific Ranch is registered as a California Big Tree. It measures 46 feet high, with a trunk circumference of 176 inches and a crown spread of 60 feet.

Tree Characteristics

  • Drought tolerant
  • Rounded or Umbrella Shape.
  • Foliage: Deciduous, Palmately Compound, Gray Green or Light Green,
  • Height: 10 - 25 feet.
  • Width: 20 - 30 feet.
  • Flowers: Showy. Fragrant White. Flowers in Spring
  • Fruit: Prolific, Brown Capsule, Large (1.50 - 3.00 inches), fruiting in Summer.
  • Bark: Light Gray, Smooth.
  • Shading Capacity:  Dense in Leaf, Low out of Leaf.
  • Litter Issue: Flowers, Dry Fruit and Leaves.​

Tree Site Conditions & Constraints

  • Zones: Sunset 3 - 10 and 14 – 24, USDA Hardiness 7 - 8.
  • Exposure: Full Sun to Partial Shade.​

Pests & Disease Information

  • Susceptible: Thrip, Phytophthora ramorum Sudden Oak Death and Powdery Mildew.​

Health, Safety & Environmental Concerns

  • Branch Strength: Medium.
  • Root Damage Potential: Low.
  • Health Hazard: Allergy and Poisonous
  • Attracts: Squirrels

Source:

SelecTree. "Aesculus californica Tree Record." 1995-2018. Feb 23, 2018. < https://selectree.calpoly.edu/tree-detail/aesculus-californica >

 

Updated: June 20, 2023