I have navel orange sapling in a pot.

Question

How much fertilizer do I apply for a 20-inch potted orange tree sapling. Using Vigoro Citrus and Avocado plant food.

Answer 1

There should be instructions on the fertilizer package. Here are fertilizing best practices for a pot and in the ground:

https://www.gardeningknowhow.com/edible/fruits/oranges/orange-tree-container-care.htm

https://www.gardeningknowhow.com/edible/fruits/citrus/fertilizing-citrus-trees-best-practices-for-citrus-fertilizing.htm