Harvesting saguaro fruit and dehydrating it on San Juan day in June. See More. How to Prune Fruit Trees the Correct Way. It is simple, and very important. A: Once established, fruit trees need to be fertilized each spring to ensure that new healthy Not so mighty oak; yellowing leaves; prune early? Beware of bees in roof, poisonous locoweed; give thirsty saguaro a drink. Question: Is there a list of fruit trees that grow in Tucson? Specifically Control stink bugs; weeds in grass; pruning hibiscus, bougainvillea. Answers Beware of bees in roof, poisonous locoweed; give thirsty saguaro a drink. Pruning corrects the natural tendencies of fruit trees that may counterproductive to growing fruit or undesirable. The natural tendency to grow too many shoots Missing: saguaro. Standing with Saguaros & friends, including DESERT HARVESTERS: Saguaro Fruit Harvest Workshop, June 25, — Tucson AZ. The Politics and Poetics of Gardens Shelley Saguaro His fruit and flower garden grew more wild, the hedge and the rose bushes growing out. of the geese, the clipping of the hedge, the pruning of the fruit trees - now turned out not to have.