You may consider fertilizing your lawn every spring with fish emulsion ... Commercial fish emulsion can be pricey, plus it lacks bacterial microorganisms important for soil and plant health.
Cool-season grasses such as Kentucky bluegrass or tall fescue are among the most common grasses needing attention, said ...
In Iowa, cool-season lawns can be fertilized in the spring during April or May and from mid-September to early November for fall. ISU Extension and Outreach recommended not fertilizing Kentucky ...