Here’s my planting on K1 spaced 5ft x 1.5ft.
Training high density trellised pluot and apricot, my plan - General Fruit Growing - Growing Fruit
Greenhouse fruit update - General Fruit Growing - Growing Fruit
The rootstocks were planted Febr 2014, budded in June 2014, and started bearing in 2015. One of my better horticultural feats.