Weed Management

Recent wet weather in many parts of the state has spurred emergence of winter weeds. How these weeds are managed varies by the type of weed and where it's growing. In IPM, identification is always the first step toward effective pest management.

California has abundant wildlands forests, rangeland, open areas, wildlife refuges and national, state, and local parks that need protection from invasive plants.

Weeds are usually thought of as native plants we don't want in areas such as landscapes, fields, or vegetable gardens either because they reduce economic output or they are considered aesthetically displeasing.

As the days get shorter and the temperatures begin to cool, now is the time to practice weed management for annual cool-season weeds. It's also not too early to consider management for weeds that emerge in springtime.

American pokeweed is a large weedy shrub also known as pokeberry, American nightshade, poke salad, and a variety of other names. It is native to the eastern U.S. but is spreading in parts of California.

Brooms are shrubs which were originally planted in California as ornamentals and for erosion control, but are now considered to be invasive weeds since they are highly competitive. They crowd out native plants and form impenetrable barriers to wildlife.

As you practice social distancing during COVID-19, you may find yourself spending more time in the garden. As we move into nice weather, we are sharing a few gardening tips for pest management. Manage weeds using nonchemical methods such as cultivation, handweeding, or mowing.

Plantains are common weeds in lawns, athletic fields, ornamental plantings, roadsides, and pastures. Two species, broadleaf and buckhorn plantains (Plantago major and P. lanceolate) are commonly found throughout California year-round.

Public concern regarding the risk of illness from long-term exposure to glyphosate is on the rise.

Mistletoe is a familiar sight of the season, often found wrapped in ribbon and hung for certain festivities this time of year. But did you know it is actually a parasitic plant that grows on a number of landscape trees in California? There are two types of mistletoe in California.