Green Thumb Nursery Lawn & Garden About Home of the nursery experts. Grower direct. Contact 1019 West San Marcos Blvd. San Marcos, California 92078 United States Get Directions Visit Website Coupon See the Coupon Offered by Free Ornament 100% Receive a free ornament (up to $4.99 value). Must present printed coupon to cashier at the time of purchase. Not valid with any sale items or with other coupons or offers. See ad for more details and offers.