UC Master Gardeners of Ventura County can help you practice Integrated Pest Management, or IPM, an approach to controlling ...

PARTHENIUM (Parthenium hysterophorus) — also known as bitter weed and carrot grass, it is toxic to animals, including humans, and capable of producing more than 15,000 seeds per plant.

Hiking and biking in parks and woodlands are popular outdoor activities, but some native plants can quickly make your outing miserable. One such plant is poison sumac, a deciduous, woody shrub or ...

Heliotrope, also known as potato weed, is one of the toxic weeds that flourish after summer rain. While summer rain is helpful for pasture and crop growth, it also promotes the growth of toxic weeds.

This new chemical, recently put on the market by Du Pont, has been so successful against poison ivy that enthusiasts predict the complete eradication of that noxious weed from the U.S. 2-4-D.