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Reporting
You may have thrips on yourYou may have thrips on your dahlias. Insecticidal soaps and horticultural oils are available at garden center for control of thrips and other common pests like aphids and spider mites. Reapply the soap or oil after it rains for continued control.

2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?