A: I admit it can be confusing, but there is a significant difference between topping a tree and pruning to control size.

Like Jhand, Gursimran Singh has conducted trials with avocados and other exotic fruits on half an acre for nearly a decade.

“Passionfruit love a humid, sheltered area, so the avocado trees are protecting them,” Niven explained. “When we spray, the bugs are different, but the same chemicals kill them and the ...