Grevillea robusta

Grevillea robusta_Zoya Akulova
Photo by Zoya Akulova

Common names: silkoak

Grevillea robusta (silkoak) is a tree (family Proteaceae) with yellow-orange to brown flowers and finely dissected leaves found in the central and south coast ranges of California. It is native to eastern Australia. It favors grasslands and riparian and bottomland habitat. It spreads via seeds and root suckers. Its winged seeds are dispersed by wind.

Cal-IPC Rating: Watch

Cal-IPC Assessment

Plant Risk Assessment - An evaluation of the potential for a plant to be invasive in California.

Cal-IPC Symposium Presentations

None for this species.

Other Grevillea robusta Information

  • CalFlora - Distribution information based on submitted observations and herbarium specimens.