Be on the Lookout for Exotic and Invasive Pests

Many exotic invasive pests are of major concern in California. The glassy-winged sharpshooter (an insect) and purple loosestrife (a weed) are two invasive species that are established in some areas but still threaten to invade other areas. Newer exotic species of concern include Diaprepes root weevil, light brown apple moth, and various aquatic weeds. Some […]

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What is an invasive plant?

“An invasive plant is a plant that is non-native to the ecosystem under consideration, and whose introduction is likely to cause economic or environmental harm, or harm to human health” says Plant Right, a California non-profit working with California’s nursery industry to keep invasive plants out of our landscapes and to promote the sale of

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Watch out for invasives!

Some of the worst invasive plants in California, brooms and yellow starthistle, have caused substantial changes to California’s wildlands. The organism that causes sudden oak death was inadvertently introduced to California forests on nursery stock and is estimated to have killed more than 1 million oak and tanoak trees during the last decade. Insect-carried diseases

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