New Voucher Code From Serenata Plants Written by Optimus Performance Marketing on January 20, 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 all details below:- Code - gf55hgj6 Promotion - 5% off sitewide Valid from - 21-01-2012 Expires - 20-02-2012