I have been on an organic fertilizer plan for a while (milorganite). After a soil analysis I found that my soil was deficient in Potassium. This is largely due to Milo not having any in it. I used this as a supplement to boose the soil back to acceptable levels. Product was easy to apply and showed greener grass in a couple days. I will perform another soil test to confirm that increase in potassium.
Potassium is great for more than just "winterizing" Potassium helps with Nitrogen uptake as well as drought resistance.
First step, soil analysis- don't skip this step, contact your agricultural extension office and they will give you incredible advice.
It is best to buy fertilizers in their components rather than a "all-in-one" bag of Scotts.
After obtaining your analysis this product will supply the required potassium for quick uptake.