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GARDEN INVADERS. These ornamental plants are invasive and have the ability to take over your garden and escape into your neighbor’s yard. They displace native vegetation and wildlife in our parks and wildlands. The Nature Conservancy http://tncweeds.ucdavis.edu

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GARDEN INVADERS

These ornamental plants are invasive and have the ability to take over your garden and escape into your neighbor’s yard. They displace native vegetation and wildlife in our parks and wildlands.

The Nature Conservancy http://tncweeds.ucdavis.edu

California Exotic Pest Plant Council http://www.igc.apc.org/ceppc

California Native Plant Society

http://www.cnps.org/conservation/exotics.htm

Humboldt Weed Management Area

http://www.cdfa.ca.gov/phpps/ipc/weedmgtareas/Humboldt/humboldt_hp.htm

CDFA

http://pi.cdfa.ca.gov/weedinfo/


At first glance they may look pretty, but invasive plants can pose a serious environmental threat in your own backyard. Once used widely in gardening, landscaping and erosion control, invasives like the five pictured here can be found in yards, along roadsides and in business lots across the country. Free from natural restraints, these alien invaders establish themselves in new areas and eventually supplant native species.

  • Invasive species contribute to the decline of 46% of the imperiled or endangered species in the U.S.

  • Invasives can hurt the economy by causing losses in agriculture, forestry and fisheries, clogging waterways and fueling fires.

  • Their cost to the national economy has been estimated as high as $137 billion per year, and it is increasing.


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