Check the listing for details. Whitetail Institute Imperial Winter Greens. Condition: New. Listed at 43.79 USD. Whitetail Institute Imperial Winter Greens is composed of an annual blend of cold-tolerant WINA brassicas for late-season food plotting and hunting. These winter greens are highly drought-resistant and are able to withstand extremely cold temperatures. This mix is tall-standing, even under snow so that deer will be able to find it. These winter greens happen to be more attractive to deer than any other brassicas that were tested by Whitetail Institute. FeaturesFortified with a small amount of the Whitetail Institute Tall Tine TurnipHighly nutritious late-season food sourceEstablishes and grows rapidlyProvides abundant tonnage, attraction, and energy in the late seasonsCoated with RainBondTM for enhanced seedling survivability Specifications12lb. Bag - Covers 2 Acres3lb. Bag - Covers 1/2 Acre