Overview
California holds the tallest, the largest, and among the oldest trees on Earth, across habitats that run from fog-belt redwood forest to Sierra conifer to Mojave desert. That range makes for an extraordinary set of trees to learn.
This guide covers common and iconic California trees — how to tell them apart by leaf, bark, and habit. Pair it with a photo of the foliage or bark and the app to confirm any tree you find.
Key Species to Know
Coast Redwood
Sequoia sempervirens
The tallest tree on Earth — a towering evergreen with flat, needle-like foliage and thick, fibrous reddish bark. Grows in the fog belt of the northern and central coast.
Giant Sequoia
Sequoiadendron giganteum
The most massive tree on Earth by volume — a colossal evergreen with awl-like scale foliage and thick cinnamon-red bark. Restricted to scattered Sierra Nevada groves.
Coast Live Oak
Quercus agrifolia
A broad, evergreen oak with small, cupped, holly-like leaves and dark, furrowed bark. A signature tree of the coastal hills and oak savanna.
Ponderosa Pine
Pinus ponderosa
A tall pine with long needles in bundles of three and puzzle-piece orange bark that smells of vanilla up close. A dominant conifer of the Sierra and mountain forests.
Joshua Tree
Yucca brevifolia
A branching desert yucca with clusters of spiky, dagger-like leaves at its limb tips, forming a surreal silhouette. Emblematic of the Mojave Desert.
California Sycamore
Platanus racemosa
A large streamside tree with broad, maple-like leaves and mottled, patchy bark that peels to reveal pale creamy patches. Often leans and forks dramatically.
Seasonal Guide
- Year-round: redwoods, sequoias, live oaks, and pines are evergreen and identifiable in any season.
- Winter: the pale, peeling bark of leafless sycamores stands out along watercourses.
- Spring: Joshua trees bloom with tall clusters of creamy flowers in good years.
Safety Reminder
This is an identification guide only — it does not cover edibility or foraging. Do not damage bark or roots, keep well back from cliff edges in the desert and mountains, and stay on trails in fragile grove and desert habitats.
Identify it instantly
Found something and not sure what it is? Point your camera with Spotter and get a species identification in seconds — with detailed reference info and species notes.