DENVER — That’s not mistletoe.

From new marijuana strains for the holidays to gift sets and pot-and-pumpkin pies, the burgeoning marijuana industry in Colorado is scrambling to get a piece of the holiday shopping dollar. Dispensaries in many states have been offering holiday specials for medical customers for years — but this first season of open-to-all-adults marijuana sales in some states means pot shops are using more of the tricks used by traditional retailers to attract holiday shoppers.