Author

Jon Dukes Page 2

In Sacramento, California, Jon Dukes writes on plant health for Biology Insights. An Extension Master Gardener with 26 years of horticulture experience, he spent decades managing pest diagnosis in commercial nurseries. Dukes continues to staff a weekly county diagnostic clinic, identifying tree diseases and garden pests for local residents.

Why Is My Pine Tree Dying From the Top Down?Trees & Shrubs
Why Are My Coneflowers Turning Black?Flowers
Common Black-Eyed Susan Problems and How to Fix Them Flowers
Why Is My Weed Plant Wilting and How to Fix It?Edibles
Should I Cut Back Peonies With Powdery Mildew?Flowers
What Does Light Burn Look Like on Weed Plants?Gardening
What Does Magnesium Deficiency Look Like in Plants?Gardening
How to Fix Magnesium Deficiency in Weed Plants Gardening
What Is the White Stuff on My Zucchini Leaves?Gardening
How to Revive a Dying Azalea Plant Trees & Shrubs
How to Treat Brown Spots on Rose Leaves Flowers
How to Treat and Prevent Holes in Hibiscus Leaves Gardening
Why Are My Mandevilla Leaves Turning Yellow?Flowers
Why Did My Weed Plant Stop Growing?Botany
Why Is My Cherry Tomato Plant Wilting?Gardening
Why Is My Hydrangea Wilting After Planting?Flowers
Why Are My Hibiscus Leaves Turning White?Gardening
Why Are My Hydrangea Leaves Turning Red?Flowers
What Causes Tomatoes to Wilt?Gardening
Why Is My Strawberry Plant Turning Red?Edibles
Why Do My Hibiscus Buds Fall Off?Flowers
How to Fix Yellow Zucchini Leaves Edibles
Why Are My Cucumber Leaves Wilting?Edibles
Why Are My Geranium Leaves Turning White?Gardening
How to Treat Black Spots on Hydrangea Leaves Gardening
How to Treat and Prevent Leaf Spot on Zinnias Gardening
What Causes Brown Spots on Hydrangea Leaves?Gardening
Why Does My Mint Have White Spots?Edibles
Why Are My Strawberry Plant Leaves Turning Brown?Edibles
Why Are My Marigolds Not Blooming?Flowers