The rate of collection may vary from time to time and by location and by type of tender used for payment so check at your local Canadian Tire gas bar. After the glaciers melted, the water runoff filled in these areas. Once you know where to find moss, you’ll certainly want to use it in your own decor! Canada, the world’s largest producer and exporter of horticultural peat moss, produces more than 98 % of the Canadian Sphagnum peat moss used in … ®/TMMark’s is a registered trademark of Mark’s Work Warehouse Ltd, used under licence. In addition, individual Canadian Tire stores may exclude additional items sold in that store from being Eligible Merchandise.  We reserve the right, at any time without notice, to change what constitutes Eligible Merchandise.