Author

Andrew Sanford

Andrew Sanford is a plant health technician for a South Florida production nursery, and he writes about pest management for Biology Insights. Living in Philadelphia, Pennsylvania, he regularly monitors crops for scale and insect vectors that threaten citrus and tropical ornamentals. Sanford is a Certified Nursery Professional and holds a state commercial pesticide applicator license, routinely scouting greenhouse benches where humid conditions allow pest populations to persist without a winter break.

Orchid White Mold: How to Identify, Treat, and Prevent
What Is the White Stuff on My Pothos Leaves?
Common Calathea Pests and How to Handle Them
Common Epiphyllum Diseases and How to Treat Them
Why Are My Desert Rose Leaves Turning Yellow?
How to Treat Powdery Mildew on Houseplants
Why Does My Pothos Have Black Spots?
Why Are There Red Spots on My Philodendron Leaves?
How to Treat Powdery Mildew on a Fiddle Leaf Fig
Calathea Fungal Infection: Treatment and Prevention
Why Are There Brown Spots on My Ficus Benjamina Leaves?
Why Are There White Spots on My Ponytail Palm?
Choosing and Using Fungicide for Indoor Plants
What Causes White Spots on an Elephant Ear Plant?
Why Are There Spots on My Alocasia Leaves?
What Causes Brown Spots on Arrowhead Plant Leaves?
Why Are My Philodendron Leaves Turning White?
Begonia Maculata Root Rot: How to Fix and Prevent It
Why Are There White Spots on My Plumeria Leaves?
Rubber Plant Sunburn: Causes, Prevention, and Recovery
Why Does My Bird’s Nest Fern Have Brown Spots?
Philodendron Bacterial Leaf Spot: Identify, Treat & Prevent
What Causes White Spots on Oxalis Leaves?
Why Are There Brown Spots on My Kalanchoe Leaves?
Why Are There White Spots on My Croton Leaves?
Why Does My Dragon Fruit Plant Have White Spots?
What Causes Black Spots on Cattleya Leaves?
Erwinia Blight on Philodendron: How to Identify and Treat It
Why Does My Ponytail Palm Have White Fungus?
Why Are My Calamondin Leaves Curling?