We've tried to start hollyhocks around our house, but haven't had any luck. Can you share some sure-fire growing tips?
My old-fashioned roses have growths on their stems and roots. I think they're called galls. Is there anything that can be used to kill this disease? I have cut out the damaged stems and roots, but it continues to spread.
Help! There are black spots on my roses. How can I get rid of this problem?
My 4-foot hydrangea hasn't bloomed since I bought it. As instructed, I cut the plant back in fall when the leaves and stem are yellow. What can I do to make it bloom?
My trumpet vines have never flowered. They receive at least 6 hours of sun each day and appear healthy, climbing a 10-foot trellis. How can I get them to produce the nectar-rich blooms hummingbirds love?
My hibiscus hasn't bloomed in the 5 years I've had it. I bring it indoors for winter and take it back outside in the summer. What's wrong?
Will the high iron content in our well water harm my plants? I regularly water during the growing season.
Can you recommend some ground covers for a sun-drenched slope?
I planted a red-blooming honeysuckle along my fence. Why did the flower change to yellow the following season?
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Plant Doctor Melinda Myers answers the top 10 garden questions.