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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 ...
Tomato Troubleshooting
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 ...
What Made That Mound - a Gopher or a Mole?
Finding freshly dug mounds of soil in the garden, lawn, or landscape might be a sign of gophers or moles. Their mounds look similar and are frequently confused for each other. Fig 1. The margin of a mole mound tends to be circular. (Credit: Larry A. ...
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 ...