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Invasive species are arriving in California with increasing frequency. The best time to stop them is before they arrive, and federal, state and local agencies are keeping their eyes out for new arrivals and threats on the horizon.

The California Department of Food and Agriculture (CDFA) regularly performs surveys across the San Joaquin Valley (SJV) to monitor for potential insect and pathogen issues for California agricultural producers.

There have been several recent questions about dealing with a plant floating in reservoirs. Here's Weed Scientist Emeritus Roncoroni's response to them. Pacific Mosquitofern, (Azolla filculoides) often referred to as Azolla, is native to California.

Unlike other plants, avocado (Persea americana Mill.), is not a host for very many viral diseases.

Implications for tequila growers Agave are a common sight in Southern California and are frequently used in landscaping for homes, businesses, and in public spaces. You've almost certainly seen agave growing in your neighborhood and may even have some growing yourself.