Yes, as long as you follow the label instructions of Ferti-Lome Winterizer for Established Lawns 10-0-14 it can be safe for pets. In general, keep pets out of the treatment area until the application is dry.
Yes,
Ferti-Lome Winterizer for Established Lawns 10-0-14 can be used as long as the grass is established. The application rate for lawns is 20 lbs per 5000 square feet.
After applying the Ferti-Lome Winterizer for Established Lawns 10-0-14 there would be no need to apply the Milorganite. The Ferti-lome will do what it needs to throughout the winter.