Palm Tree Application Rates

Tall, healthy palm trees like this should be fertilized with Milorganite every three months.
Fertilizing Palm Trees
Planting Type Application Rate Suggested Application
Palms 5 to 10 lbs every three months Broadcast Milorganite under the entire canopy of the palm.

Transplanting Container Growing Palms

Milorganite should be loosely mixed into the soil at the bottom of the hole when palm trees are transplanted from containers. Use the guidelines below.

Transplanting Palm Trees
Tree Size Amount
4 feet 2 lbs
10 feet 5 lbs
20 feet 10 lbs


The best time for watering Palms is in the early morning or late afternoon in summer and earlier in the day during winter.

Rich in Iron. Non-Staining.

Iron is essential for the formation of chlorophyll, the pigment that makes palm fronds green. Milorganite contains organically complex iron, and won't stain nearby walks, patios, drives, or fences.