New Voucher Code From Serenata Plants Written by Optimus Performance Marketing on September 3, 2012. Posted in Awin, Flowers, Home & Garden, Offers/Promotions, Promotion, Voucher Codes Serenata Plants are pleased to announce the release of a new voucher code. Details are below. Code - kju988bcx Promotion - 5% discount Expires - 30-09-2012