New Voucher Code From Serenata Plants Written by Optimus Performance Marketing on April 2, 2012. Posted in Awin, Flowers, Home & Garden, Offers/Promotions, Voucher Codes Serenata Plants are pleased to announce the release of a new voucher code. Please find details below:- Code - df54hhy98 Promotion – 5% off Expires – 30-04-2012