Mix 163 (Northern Retention Basin Wildlife Mix) is designed for the environmental conditions of the Northern Tier States. Flowering period and flower colors are coordinated for full season variety. The amount of seed of each species in the mix has been calculated using the number of seeds per pound of each species factored by establishment parameters. Mix 163 contains the following 9 native grass and sedge species and 11 native wildflower species as shown below. Recommend 6.05-8.75 PLS pounds/acre.