Plant Diseases: Identification, Treatment & Prevention

Plant Diseases

Almost every garden is eventually plagued by diseases, such as blight or root rot. We'll help you identify what's hurting your plants and how to treat them.
Potato leaf blight
Why Are My Potato Leaves Turning Yellow? 6 Causes and Fixes, From a Pro
Pink crepe myrtle tree
4 Reasons Your Crepe Myrtle Is Turning Brown and How to Fix It, A Gardening Pro Says
Hydrangea with brown spots on leaves and dead heads.
Does Your Hydrangea Have Brown Spots? 3 Tips to Try for a Quick Fix
white on tomato leaves
What Are Those White Spots on Your Tomato Leaves? 9 Causes and Solutions
lesions on sycamore leaf
Don't Let Leaf Spot Ruin Your Trees—Here's How to Treat It
Bacterial spot on hydrangea
10 Hydrangea Diseases: How to Identify and Treat Them
Tomato Diseases
22 Tomato Diseases: Identification, Treatment and Prevention
Leaves of a tomato plant turning purple and black
Why Are My Tomato Leaves Turning Purple?
spraying baking soda spray onto a plant
How to Control Powdery Mildew With a Homemade Spray
Septoria on tomato plants
Black Spots on Tomato Leaves: Treating Septoria Leaf Spot
powdery mildew on a plant leaf
How to Use Milk Spray to Control Powdery Mildew
powdery mildew on plant
Powdery Mildew: Treatment and Control on Plants
Summer/Autumn scene from around Sydney, Australia
Why Are Mushrooms Growing in My Vegetable Garden, and Are They a Bad Thing?
Tomato plant with leaves with verticillium wilt over hanging tomatoes
5 Reasons Your Tomato Plant Is Wilting and How to Fix It
Squash leaves turning yellow
Are Your Squash Leaves Turning Yellow? Here's How to Fix It
Removing tiny white bugs from a houseplant
How to Identify and Eliminate Tiny White Bugs in Houseplant Soil
Bacterial disease of geranium flowers
7 Common Reasons Why Geranium Leaves Turn Yellow
Yellow hibiscus
7 Reasons Why Your Hibiscus Leaves Are Turning Yellow
Black Spot on Rose Leaves
How to Treat and Prevent Black Spot on Roses
brown patch disease on lawn
How to Treat Brown Patch Fungus in Your Lawn
Lawn disease
Identifying 19 Common Lawn Diseases
Red thread grass
How to Keep Red Thread Fungus From Taking Over Grass
dead patch on lawn
What Causes Brown or Dead Patches in Your Lawn?
Magnolia sieboldii tree with white flowers.
Identifying and Treating Leaf Spot Fungus on Magnolia Trees
Orchid leaf with black fungal spots
What Are These Black Spots on My Phalaenopsis Orchid Leaves?
ingredients for baking soda spray
Use Baking Soda Spray to Cure Plant Fungal Problems
Cucumbers wilting on the vine.
How to Prevent Bacterial Wilt in Cucumbers
early blight on tomatoes
Tomato Blight: How to Identify, Prevent, and Treat
Clematis plant with wilting leaves (clematis wilt), caused by fungus Phoma clematidina
How to Identify Clematis Wilt
Houseplant leaf sprayed with bottle to get rid of scale insects
How to Get Rid of Scale on Plants
Possible fungus on roses
Rust Fungus: Identification and Control on Plants
closeup of brown spots on leaves
How to Get Rid of Brown Spots on Leaves
Aster yellow plant with yellow and green oval leaves on thick stems
Aster Yellows: Symptoms, Treatment, and Prevention
Powdery mildew on tree leaf.
Common Tree Fungus Identification and Treatment

Explore More Plant Problems

Garden Pests Weeds