New Voucher Code from Serenata Plants Written by Optimus Performance Marketing on October 1, 2012. Posted in Awin, Flowers, Home & Garden, Offers/Promotions, Promotion, Voucher Codes Serenata Plants are pleased to announce the release of a new generic voucher code. Please find all details below:- Code - hsd4333xx Promotion – 5% off Expires – 31-10-2012