Skip to content
Platanus racemosa, photographed by an iNaturalist contributor
(c) Chris Cameron, some rights reserved (CC BY-NC), uploaded by Chris Cameron · CC BY-NC
#358 most planted

Platanus racemosa

California sycamore · also Western sycamore, California plane tree, Aliso

SpreadingDeciduous
3,129
trees mapped
0.03%
of all named trees
3
cities
18 in
median trunk (46 cm, 2,822 measured)
35 yr
median age (93% have a planting date)

Report an issue with this species

This large tree is known for its striking, mottled bark that peels away in patches. Its broad, spreading canopy provides ample shade, making it a popular choice for parks and urban landscapes. It is well-suited to California's climate, resilient to pollution, and able to thrive in various soil types, making it a versatile addition to urban environments.

Where it grows

Trees in each city's inventory, with the share of that city's named trees this species accounts for.

  1. Los Angeles · United States
    2,91335 yr18 in
  2. San Francisco · United States
    214—6.0 in
  3. Tempe · United States
    2—13 in

Traits

Form
Spreading
Foliage
Deciduous
Mature height
30–80 ft
Canopy spread
20–50 ft
Water needs
High
Drought tolerance
Low
Pollution tolerance
High
Wildlife value
Moderate
Blooms
Mar, Apr, May

Trunk diameters across every city: median 18 in, mean 16 in, 90th percentile 30 in. Measured at breast height, as published by each inventory.

Native range

Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.

Mediterranean Forests, Woodlands & Scrub

  • California coastal sage and chaparral
  • California interior chaparral and woodlands
  • California montane chaparral and woodlands

Temperate Conifer Forests

  • Northern California coastal forests

Temperate Grasslands, Savannas & Shrublands

  • California Central Valley grasslands

Deserts & Xeric Shrublands

  • Baja California desert

Other Platanus in the catalogue

8 of the top 2,000 species are in this genus.

Interested in talking trees? arborary.world@gmail.comTree data © the respective municipal publishers and © OpenStreetMap contributors (ODbL).