Numbers on Fertilizer Bags, Kumquat Trees
What numbers on fertilizer bags are best for kumquats and orange trees growing in Sebring, Florida (sandy soil)?
Certified GKH Gardening Expert
Try using a complete fertilizer with N-P-K ratio of 5-1-3 (5 parts Nitrogen-1 part Phosphorous-3 parts Potassium) every six to eight weeks. Citrus plants are heavy nitrogen feeders. A slow release granular fertilizer works best.