Q.What Is The Best Feed For Red Robins?
Need urgent help with my red robins, leaves falling off

Certified GKH Gardening Expert
Generally, this will be an all purpose fertilizer of your choice. They will need even ratios of potassium, phosphorus, and nitrogen. Generally, you will want to test the soil to see what it is lacking, first, though.
https://www.gardeningknowhow.com/ornamental/shrubs/photinia/red-tip-photinia-fertilizer.htm
https://www.gardeningknowhow.com/ornamental/shrubs/photinia
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm