Pest identification
What's eating my hoya retusa?
Mealybugs
Signs: White waxy fluff at stem bases and leaf joints; weakened, yellowing stems
Control: Remove with alcohol-soaked cotton swabs; follow up with neem oil spray every 7–10 days for a month
Scale insects
Signs: Brown or tan bumps fixed to stems; yellowing leaves; sticky honeydew attracting sooty mold
Control: Scrape off with a soft toothbrush, wipe with isopropyl alcohol, then apply horticultural oil
Spider mites
Signs: Tiny yellow stippling on thin leaves; fine webbing along stems in dry conditions
Control: Mist foliage, raise humidity, apply insecticidal soap or neem oil; repeat weekly until resolved
Keep hoya retusa pest-free
Healthy plants resist pests best. Get the basics right:
Hoya Retusa pests — FAQ
What is eating my hoya retusa?
Hoya Retusa's narrow grass-like leaves make mealybugs and scale insects hard to spot until damage is significant. Spider mites also thrive in dry indoor air. The thin foliage is more susceptible to physical damage from pests than the thicker-leaved Hoya varieties.
How do I get rid of mealybugs on hoya retusa?
White waxy fluff at stem bases and leaf joints; weakened, yellowing stems Remove with alcohol-soaked cotton swabs; follow up with neem oil spray every 7–10 days for a month
How do I get rid of scale insects on hoya retusa?
Brown or tan bumps fixed to stems; yellowing leaves; sticky honeydew attracting sooty mold Scrape off with a soft toothbrush, wipe with isopropyl alcohol, then apply horticultural oil
How do I get rid of spider mites on hoya retusa?
Tiny yellow stippling on thin leaves; fine webbing along stems in dry conditions Mist foliage, raise humidity, apply insecticidal soap or neem oil; repeat weekly until resolved