Author

Jon Dukes Page 4

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 There White Slime on My Sunflowers?
What Causes Puny Flowers and How to Fix Them
Common Lupine Diseases and How to Treat Them
Why Are My Calibrachoa Leaves Turning Brown?
Why Are My Zinnias Falling Over and What To Do
Why Is My Sunflower Stem Turning Brown?
Why Does My Petunia Have Black Dots?
Why Is My Dianthus Turning Brown and How Can I Fix It?
Why Is My Catmint Turning Yellow and How Do I Fix It?
Signs of Overwatering Azaleas and How to Save Your Plant
Why Are My Gazanias Dying? And How to Save Them
Why Does My Yellow Flower Have Brown Spots?
Why Are My Gardenia Leaves Wilting and How to Revive Them?
Why My Jasmine Has Brown Spots and How to Fix It
Why Are My Petunia Leaves Turning Brown?
Why Is My Zinnia Dying and How Do I Save It?
Why Are My Vinca Leaves Turning Yellow?
Overwatered Snapdragons and How to Save Them
How to Fix Red Geranium Leaves and Why They Turn Red
Why Are My Roses Drooping? And How to Fix Them
Why Are My Desert Rose Leaves Turning Brown on the Edges?
Why Are My Bee Balm Leaves Turning Brown?
How to Save an Overwatered Mandevilla
Wilted Hydrangea Leaves: Causes and Fixes
Why Are My Dahlias Wilting? Common Causes and Fixes
Why Is My Columbine Plant Dying? Causes and Fixes
Why Is My Gardenia Losing Leaves and What to Do About It
Why Are Calla Lily Leaves Turning Brown?
Why Is My Bougainvillea Dropping Flowers?
Common Verbena Problems and How to Fix Them