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Spring & Early Summer
- Coastal & Tropical South
Fertilize When You See Yellow Leaves
If the rose leaves near the bottom of the plant turn yellow but look otherwise healthy, then drop off, add a ring of compost around the plant to supply nitrogen. Since an abundance of nitrogen works against flowering, don't overdo it. A half dose of fish emulsion works well, too.
Cut Back Diseased Branches
The black spots you see on rose leaves (which often turn yellow, too) are just that: black spot fungus. And this disease is the reason not every rose can grow in our region without regular fungicide applications. But don't give up. Cut back the affected parts and fertilize at half rate.
Mulch Roses
Mulch not only helps to control weeds under the roses, but it has two other major functions: to keep the soil cool and to retain the precious moisture you\'ve supplied. If oak leaves are in abundance, use them. Or use barks (shredded or ground) or pinestraw. But no more than two inches, please!
Follow These Cutting Tips
Deadheading roses often allows new flushes to form, if they can. Cut back a few inches behind the flower or cluster to control the height of the bush, and for a bouquet. Try to cut just above a healthy true leaf that points out from the center of the plant, to maintain its form.
Treat Plants to Eggshells and Epsom Salts
Many rose growers use eggshells and/or Epsom salts for their mineral content and impact on sturdy stem growth. Crush eggshells in warm water to make a tea, then strain and water the plants. Spray a solution of dilute Epsom salts on the canes and leaves, or drench the soil.
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Resources
Websites:
Rose Pruning
Rose pruning can be a bewildering task for the new grower. The Pruning Methods Web site from Texas A&M makes it quite simple and provides great information on pruning many types of roses.
 Visit the website
Mulch Math
If renewing the mulch around shrubs and trees is an annual rite of fall at your house, Clemson University can help you figure out how much mulch you need. Whether you buy mulch by the bag, bale, or truckload, this Mulch page shows you how to estimate amounts to get a 3-inch-thick layer.
Visit the website
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