Olea europea
Photo by Flickr user Malcom Manners

olive

Ratings

  • This plant has a Plant Risk Evaluator rating of No PRE Rating
  • This plant has been rated Limited by the California Invasive Plant Council

Description

Olive (Olea europea is a shrub or tree that is commonly grown as a crop in California. Gardeners should use caution when planting olives near open space, as it has invaded areas in southern California and the Central Valley. See CalWeedMapper for its current distribution in California outside of cultivation. If you want the look of an olive tree without the fruit, there are fruitless cultivars available.

Despite spreading rapidly in Australia, it does not appear to be spreading in California. It only infrequently to rarely encountered as a wildland weed in California. The seeds can be dispersed by birds including starlings, crows, and sparrows.

Why is this plant not included on the invasive plant list?

Olive was considered for addition to the list in 2006 and 2016. It was not included in the nursery survey because the impact and risk of this plant is low compared to its importance for agriculture and ornamental use.

More information

For more information about this plant, please see the following resources: