Pests and Diseases

My Ninebark has a Foliar Disease. Help!

“I grow several varieties of ninebark, including the straight species native, and have not had any trouble the past 30 […]

What Soil Eliminates Fungus Gnats?

“What soil will eliminate gnats on my Meyer lemon tree?” Question from Mokocody of Greenwich, Connecticut Answer: Fungus gnats and [&helli...

My Ponytail Palm Has Insects and Needs Repotting. Help!

“My ponytail plant has insects in it. How do I replant it, and can I sit it in water?” Question […]

Does Excess Car Exhaust Damage Gardens?

“How would a parking lot with 16 stalls [and the car exhaust] next to my garden interfere with plant photosynthesis?” […]

Why Are My Tomato Leaves Curling?

“Lots of my tomato plants have curling upward leaves, and in most cases only edge damage. Why?” Questions from James […]

How Do I Keep Worms Off My Cabbage Crops?

“All my cabbage family plants…example broccoli, cabbage…etc. get worms on them and they eat them up. What is the best […]