Q.Apple tree
Hi. My apple tree has been planted for at least five years but doesn’t seem to grow much. Any suggestions what may be happening?.
Do you only have one Apple Tree? Though some varieties are self fruitful, they do better with another pollinator nearby.
These articles will help you.
https://www.gardeningknowhow.com/edible/fruits/apples/no-fruit-on-apple-trees.htm
https://www.gardeningknowhow.com/edible/fruits/apples/chill-hours-for-apple-trees.htm
https://www.gardeningknowhow.com/edible/fruits/apples/apple-tree-feeding.htm
https://www.gardeningknowhow.com/edible/fruits/apples/self-fruiting-apple-trees.htm