Add Yahoo as a preferred source to see more of our stories on Google. Ninetechno / Getty Images No matter how much care you give your plants, pests and diseases are a common challenge. If you're ...

If you're interested in natural ways to look after your plants, neem oil may have fallen onto your radar. But what exactly is it, and how can it be used? This substance is derived from the seeds of ...

Powdery mildew appears as white or gray spots on roses, usually during warm, humid conditions. Catching infections early is key to stopping them from spreading by removing diseased parts and applying ...

Neem oil naturally controls pests like aphids and thrips but should be used carefully to protect bees and tender plants. Apply in the morning or evening, avoid extreme temps, and test on a small leaf ...

Q: Last year my grapes had such bad powdery mildew that even the grapes dried up and looked moldy and shriveled. I was told by the master gardeners at the farmer’s market that I needed to do something ...

As the growing season progresses, keep an eye out for a white or grayish-white powder on your plants. That’s powdery mildew, a fungus that affects a wide range of fruits, vegetables and flowers, ...

This column is written by the Master Gardeners of Yolo County each month. It provides answers to selected questions recently asked by Yolo County gardeners. “Ask a Master Gardener” fields questions ...