Pest identification
What's eating my hoya walliniana?
Mealybugs
Signs: Fluffy white wax clusters at nodes and leaf bases; honeydew, sooty mold, and weakened new growth
Control: Remove with alcohol-tipped cotton swabs; treat entire plant with diluted neem oil weekly; quarantine from other plants
Spider mites
Signs: Pale stippled patches on leaf surfaces with fine webbing underneath, worse in heated, dry rooms
Control: Spray undersides thoroughly with insecticidal soap solution; repeat every 5–7 days for three applications; boost ambient humidity
Fungus gnats
Signs: Larvae chew fine roots in moist potting mix; adults are a nuisance; seedlings and rooted cuttings most at risk
Control: Allow the top 2 inches of potting mix to dry fully between waterings; use yellow sticky traps; drench with Bacillus thuringiensis var. israelensis (Bti)
Keep hoya walliniana pest-free
Healthy plants resist pests best. Get the basics right:
Hoya Walliniana pests — FAQ
What is eating my hoya walliniana?
Hoya walliniana is a rare collector hoya grown indoors, vulnerable to the same sap-sucking pests that target all hoyas. Mealybugs are the biggest practical threat, hiding in the dense leaf joints. Spider mites flare up in low humidity. Fungus gnats can trouble cuttings rooted in moist mix.
How do I get rid of mealybugs on hoya walliniana?
Fluffy white wax clusters at nodes and leaf bases; honeydew, sooty mold, and weakened new growth Remove with alcohol-tipped cotton swabs; treat entire plant with diluted neem oil weekly; quarantine from other plants
How do I get rid of spider mites on hoya walliniana?
Pale stippled patches on leaf surfaces with fine webbing underneath, worse in heated, dry rooms Spray undersides thoroughly with insecticidal soap solution; repeat every 5–7 days for three applications; boost ambient humidity
How do I get rid of fungus gnats on hoya walliniana?
Larvae chew fine roots in moist potting mix; adults are a nuisance; seedlings and rooted cuttings most at risk Allow the top 2 inches of potting mix to dry fully between waterings; use yellow sticky traps; drench with Bacillus thuringiensis var. israelensis (Bti)