whiteflies on Hoya
Quick answer
If your Hoya has whiteflies, the most likely cause is: Whiteflies are small winged insects that feed on Hoya sap, causing yellowing, stunted growth, and honeydew secretion that leads to sooty mold. They reproduce rapidly in warm indoor environments and can quickly infest collections. Heavy infestations weaken plants significantly.
Start here:
- 1. Isolate infested plant immediately
- 2. Spray leaves with strong water to dislodge whiteflies outdoors or in shower
Why Hoya gets whiteflies
Hoya spp.
Whiteflies are small winged insects that feed on Hoya sap, causing yellowing, stunted growth, and honeydew secretion that leads to sooty mold. They reproduce rapidly in warm indoor environments and can quickly infest collections. Heavy infestations weaken plants significantly.
How to reverse whiteflies on Hoya
- 1
Isolate infested plant immediately
- 2
Spray leaves with strong water to dislodge whiteflies outdoors or in shower
- 3
Apply insecticidal soap or neem oil every 5-7 days for 3-4 weeks
- 4
Use yellow sticky traps to catch adults
- 5
For severe infestations: use systemic insecticide granules in soil
Keep whiteflies off this Hoya
Quarantine new plants for 2-4 weeks. Use yellow sticky traps for early detection. Inspect undersides of leaves regularly. Maintain good air circulation. Avoid over-fertilizing which attracts sap-sucking pests.