Native: variation of honey locust (Gleditsia triacanthos) (Native to eastern and central North America)

General Notes:

Gleditsia triacanthos var. inermis in Visalia is registered as a California Big Tree. It measures 76 feet high, with a trunk circumference of 126 inches and a crown spread of 18 feet.

Tree Characteristics

  • Drought tolerant.
  • Shape: Oval or Umbrella
  • Foliage: Deciduous, Bipinnately Compound, Medium to Light Green, Gold
  • Height: 60 feet.
  • Width: 40 feet.
  • Flowers: Inconspicuous. Flowers in Spring or Summer.
  • Fruit: Few, Brown Pod, Very Large (Over 3.00 inches), fruiting in Summer or Fall.
  • Bark: Black or Dark Brown, Fissured.
  • Shading Capacity: Moderately Low in Leaf, Low out of Leaf.

Tree Site Conditions & Constraints

  • Zones: Sunset 1 - 16 and 18 – 20, USDA Hardiness 4 - 9.
  • Exposure: Full Sun to Partial Shade.

Pests & Disease Information

  • Resistant: Verticillium.
  • Susceptible: Caterpillars, Insect Galls, Pod Gall Midge and Spider Mites, Mistletoe, Phytophthora and Root Rot.

Health, Safety & Environmental Concerns

  • Branch Strength: Medium.
  • Root Damage: Moderate.
  • Health Hazard: Allergy
  • Attracts: Birds and Bees.

Source:

SelecTree. "Gleditsia triacanthos Tree Record." 1995-2018. May 31, 2018. < https://selectree.calpoly.edu/tree-detail/gleditsia-triacanthos >

SelecTree. "Gleditsia triacanthos var. inermis Tree Record." 1995-2018. Mar 20, 2018. < https://selectree.calpoly.edu/tree-detail/gleditsia-triacanthos-inermis >

Updated: June 20, 2023