Taunton Press’s Fine Gardening is having a 15% off Groundhog Day sale. They offer an extensive library of books on most aspects of gardening: fruit and vegetable growing, flower gardening, garden design, controlling pests, growing from seed, container growing, the autumn garden, specific plants and their care, and much more. To take advantage of the sale and get your 15% off, use the coupon code GROUND15 when you check out.
They are also offering free standard domestic US shipping until midnight January 31, 2013. The 15% off offer ends at midnight on February 4, 2013. The offer cannot be used on DVDs or print subscriptions.