Green Thumb® GREUN180 Northern Zones Premium Dense Shade Grass Seed, 3 LbGreen Thumb Premium Grass Seed with slow release fertilizer for thicker, faster growing grass. Dense Shade Seed is ideal for establishing grass under trees or any area with limited sunshine. Seed contains 18% gator 3 turf type perennial ryegrass, 4% fielder kentucky bluegrass, 14% class 1 creeping red fescue, 10% chantilly creeping red fescue, 4% wrigley 2 chewings fescue, 50% silvercoat water holding with fertilizer technology coating materials.