Your Garden: OSU Gardener’s May Chores
PLAN & PREPARE Prepare and prime irrigation system for summer. Place pheromone traps in apple trees to detect presence of codling moth. Plan a control program of sprays, baits, or predators if found. If needed, fertilize rhododendrons and azaleas with acid-type fertilizer. If established and healthy, their nutrient needs should be minimal. Remove spent blossoms. PLANT Plant dahlias, gladioli, and […]