MENUMENUIntegrated Pest ManagementCoconut Pests Blue Coconut BeetleCoconut LeafrollerPalm Aphid Thrips Chili Thrips Whitefly Greenhouse WhiteflySpiraling & Giant WhiteflySpiraling Whitefly on Plumeria Cotton LacebugsWorm/Caterpillar Like Critters Bougainvillea LoopersLeaf MinersArmy Worms Chinch BugsChinese Rose BeetlePapaya Mealy BugScales – Armored & Soft Cycad ScaleHala ScaleFiorinia Scale Maui Plant Diseases Plumeria RustDowny MildewBacterial Leaf BlightLeaf Spot DiseaseOther Rust Diseases Avocado Lace BugsUpdate on the Red Ginger Disease Complex Plumeria Rust Coleosporium plumeriae Plants Affected All species of plumeria Signs & Symptoms Leaves get yellow spots on the top side Leaves get orange powdery dots on underside and eventually fall off How to Fix the Problem Do not spray with water – it will spread the fungal spores Remove leaf debris from the ground If you are going to spray – start early Some fungicides do work on plumeria rust; horticultural oils as well Next -->