- Author: Belinda J. Messenger-Sikes
Pokeweed can outcompete native or landscape plants, contaminate agricultural produce, and reduce forage for livestock. All parts of the plant, including the glossy purple-black berries, are poisonous to humans.
Pokeweed is spread by seed and often sprouts in areas where birds roost. The best way...
- Author: Elaine Lander
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. There are four common species of broom in California: Scotch broom, French broom, Spanish broom and Portuguese broom.
In the newly revised Pest Notes: Brooms, UCCE advisor Scott Oneto and UC Davis weed scientists Joe DiTomaso and Guy Kyser explain the issues with planting these invasive species. The publication includes expanded sections on biology and management and updated herbicide...
- Author: Scott Oneto
[From the July 2015 issue of the UC IPM Retail Nursery and Garden Center IPM News]
A recent find in El Dorado County has weed scientists, land managers, foresters, botanists, and plant conservationists throughout Northern California very excited over a tiny mite.
The broom gall mite has recently been observed attacking the invasive plant Scotch broom (Cytisus scoparius) in California's natural landscapes. Scotch broom, desired for its bright yellow flowers and rapid growth, was first introduced into North America as an ornamental and for erosion control..../span>