HealthyShopper - Top suggestion by far for printable coupons for natural/organic products
Well.ca - Sells green/natural products and ships directly to your house, best if you can find them in their sale section, and ALWAYS free shipping within Canada
SeventhGeneration - A widely known producer of all natural cleaners, baby products and lots more! They will sometimes have printable coupons on their website, but I find it best to follow them on Facebook as they like to release free samples of their products as well.
Luvubeauty - This is a site that was recently recommended by one of our readers (Thanks Candice!) that sells natural beauty products. I havent had a chance to shop this much, but some of the prices in the sale section were decent.
HAPPY SAVING:)