29090 Campbell Rd., Madison Heights; 248-439-6269; northernlights.com
You know you're getting great advice from this specialty retailer. Not only were they formerly Jim's Flowers in Royal Oak, but Northern Lights Hydroponics has now spent years as leaders in the growing industry of medicinal marijuana cultivation. They even continue the tradition of expanding into the parking lot, where you can buy all sorts of potted plants every spring and summer.
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