Popular Articles
Blackspot in Roses
Black spot—Diplocarpon rosae This fungal disease of roses is usually a problem in California only in foggy or humid coastal areas. It can occur anywhere leaves commonly remain wet, such as where roses are sprinkler irrigated during the evening or ...
Cover Crop Recommendations
Sow a cover crop Sowing a cover crop is probably the laziest garden improvement project there is. There are many types of cover crops. Some have “super powers”, such as the ability to crowd out weeds, or compounds in their roots that actually inhibit ...
Soil Testing Labs
UC Master Gardeners of Monterey and Santa Cruz Counties do not provide soil or plant testing services. However, there are a number of excellent testing labs you can send your samples to. A list of commercial soil testing labs in northern and ...
Tomato Troubleshooting
California Native Plant Profile: Buckwheat
Eriogonum is the buckwheat genus, one of the largest in California, with over 125 species. With so many species to choose from, you are sure to find one for your garden! Native buckwheats come in both annual and perennial forms. They are some of the ...