Source: California Invasive Plant Council

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Don't Plant a Pest

Trees of the Bay Area region

Invasive plants are listed in red boxes. Alternatives are listed below in green.
Invasive plants that are also a fire hazard are identified by this symbol: 

Invasive! Do Not Plant! Invasive!

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Russian olive
Elaeagnus angustifolia
Found throughout California. Able to spread long distances with the help of birds and mammals. Invades river and stream corridors, pushing out native willows and cottonwoods. Reduces water levels. Provides poor wildlife habitat. Serious invader in other western states.
Invasive!   Do Not Plant!   Invasive!

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Tamarix spp.
A serious invader throughout California and southwestern states. Uses excessive amounts of water, increases soil salinity, changes water courses. Diminishes wildlife habitat, and increases fire hazard. Not commonly sold but still occasionally available.
Invasive!   Do Not Plant!   Invasive!

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blue gum eucalyptus
Eucalyptus globulus
Found along the coast from Humboldt to San Diego and in the Central Valley. Most invasive in coastal locations. Easily invades native plant communities, causing declines in native plant and animal populations. Fire departments throughout Southern California recommend against using eucalyptus trees for landscaping because they are extremely flammable.
Invasive!   Do Not Plant!   Invasive!

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edible fig
Ficus carica
Can be a problem in the San Francisco Bay area, the Central Valley, and southern California. May be spread by birds and deer, as well as by vegetation fragments. Can dominate stream and riverside habitat.
Key to plant care
Try these plants instead

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hybrid crape myrtle
Lagerstromeia hybrids
full sunmedium water
Stunning tree; great in a hot area. Showy summer flowers in hot pink, white, lavender, and other colors typically give way to brilliant fall foliage. Somewhat susceptible to aphids. Not the best choice for coastal locations. Deciduous. Zones: Varies by hybrid. Height: 8-25 ft., varies by hybrid.

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cornelian-cherry dogwood
Cornus mas
full sunpart sunhigh water
A small tree that produces bright yellow flowers, which become bright red, edible berries that birds enjoy. Leaves may turn red and purple in fall.

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Brazilian flame bush
Calliandra tweedii
full sunlow water
A small tree or shrub with leaves similar to scarlet wisteria and bright red flowers that attract hummingbirds and bloom all summer.

gold medallion tree
Cassia leptophylla
full sunmedium waterlow water
Brilliant yellow flowers grace this tree throughout the summer, becoming attractive seed pods similar to those of scarlet wisteria. Larger than Sesbania, up to 25 feet tall.