Diseases

Alien Tomato? Here's the scoop.
What to do when downy mildew strikes.
The causes of catfacing on your tomatoes and what to do.
Protect your broccoli, cabbage, and cauliflower plants by preventing club root this spring.
Learn to identify common plant diseases
Disease or delicacy? Learn to prevent corn smut—or learn to embrace it.
Learn to recognize the symptoms and understand the causes, then you can prevent them from ruining your garden.
Every year, my hollyhocks develop ugly reddish spots. What causes these spots, and how can I prevent them?
Good plant health is the best defense against pests and disease in the greenhouse.
Steps to prevention
Tomato breeders strive to overcome a fatal disease.
When Peter Piper planted his peppers, he may have plotted a plan against pests and pestilence in one of these ways.
Keeping plants healthy is at the heart of organic gardening.