Dwarf fruit trees. how much space to leave between them?

Question

we have some dwarf trees, we are just moving them into a huge planter on the balcony.

we're not sure how much space to leave between each tree.

theres a nectarine, pear, plum and apple tree.

they would be going in 1 straight row,

could anyone advice please?

thanks

Answer 1

Basic answer is 6 to 10 feet between dwarf trees.