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: I have a question/suggestion about your advice about aphids published March 29. I have dealt with aphids on trees, especially over the last two years on box elders and on heuchera and roses.

Pesticides can be made more effective and environmentally friendly by improving how they stick to plant surfaces, thanks to new research led by Dr. Mustafa Akbulut, professor of chemical engineering ...