hydroseed cost
1 The cost of hydroseeding at Always Green Hydroseeding depends on the seed choice. 2  Quick Lawn, which uses Perennial Ryegrass, costs $0.10 per square foot. 3  Athletic and Park, suitable for home lawns, parks and athletic fields, costs $0.12 per square foot.4  Tuff Turf, seed mix for heavy traffic, costs $0.14 per square foot. For example, according to Utah-based Green Gro HydroSeeding, hydroseeding using two bluegrass mixes cost $.07 to $.09 per square foot. 2  The cost of hydroseeding at Always Green Hydroseeding depends on the seed choice. 3  Quick Lawn, which uses Perennial Ryegrass, costs $0.10 per square foot.