Whiteflies will suck the sap out of plant leaves, causing them to yellow and weaken. Removing or hosing down the infested leaves can help quell these pests. Companion planting with flowers that repel ...

Whiteflies are tiny insects that affect many different types of plants, including trees, vegetables, ornamental plants, and houseplants. “Multiple generations can be present at once, so they can be ...

It can be frustrating to see your hard work threatened by invasive garden pests. These unwelcome visitors can cause ...

Q: I have noticed white flies on my tomato plants, also seeing some yellowing and probably dying leaves. What is the best way to eliminate this pest? The best solution is often the simplest, so I ...

Q: Last summer tiny white gnats took over my plants. We tried spraying with water, soap and chemicals. Is there a solution? — J.S., Houston A: Sounds like a case of nasty whiteflies. Control them with ...

— Recommendations are independently chosen by our editors. Purchases you make through our links may earn us and our publishing partners a commission. “The outdoor garden pests I encounter the most ...