New Voucher Code From Serenata Plants Written by Optimus Performance Marketing on June 1, 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 for June. Please find details below:- Code - 21fUU7Ds Offer - 5% off Expires - 30-06-2012