Pest identification
What's eating my hoya cummingiana?
Mealybugs
Signs: Cottony white masses at leaf junctions and stem nodes; leaf yellowing and honeydew drip
Control: Remove with isopropyl alcohol on a cotton swab; follow with weekly neem oil sprays for 3–4 weeks
Spider mites
Signs: Bronze or silver stippling on leaves; delicate webbing on undersides in dry conditions
Control: Mist plant and wipe leaves; apply insecticidal soap or neem oil weekly, increasing ambient humidity
Fungus gnats
Signs: Larvae damage fine roots in overwatered soil; adults are a nuisance flying around the plant
Control: Allow soil to dry between waterings; use yellow sticky traps for adults and a Bacillus thuringiensis israelensis (Bti) drench for larvae
Keep hoya cummingiana pest-free
Healthy plants resist pests best. Get the basics right:
Hoya Cummingiana pests — FAQ
What is eating my hoya cummingiana?
Hoya cummingiana is primarily troubled by mealybugs and spider mites, both thriving in the warm dry indoor conditions this species prefers. Fungus gnats can infest the growing medium if kept too moist. Early detection at the leaf axils and stem nodes prevents infestations from spreading to the whole plant.
How do I get rid of mealybugs on hoya cummingiana?
Cottony white masses at leaf junctions and stem nodes; leaf yellowing and honeydew drip Remove with isopropyl alcohol on a cotton swab; follow with weekly neem oil sprays for 3–4 weeks
How do I get rid of spider mites on hoya cummingiana?
Bronze or silver stippling on leaves; delicate webbing on undersides in dry conditions Mist plant and wipe leaves; apply insecticidal soap or neem oil weekly, increasing ambient humidity
How do I get rid of fungus gnats on hoya cummingiana?
Larvae damage fine roots in overwatered soil; adults are a nuisance flying around the plant Allow soil to dry between waterings; use yellow sticky traps for adults and a Bacillus thuringiensis israelensis (Bti) drench for larvae