Pest identification
What's eating my sweetheart plant?
Mealybugs
Signs: Fluffy white deposits at leaf base or where stem meets soil; leaf edges yellow if infestation is heavy
Control: Wipe away with a 70% isopropyl alcohol swab; follow with a neem oil drench of the soil and a foliar spray
Scale insects
Signs: Hard brown bumps on the petiole and leaf underside; sticky honeydew, possible sooty mold
Control: Scrape off manually with a soft brush; apply horticultural oil spray and repeat after 10 days
Spider mites
Signs: Faint stippling on the leaf surface; fine webbing visible in low-humidity conditions
Control: Increase humidity, wipe leaves with a damp cloth, and spray with diluted neem oil weekly
Keep sweetheart plant pest-free
Healthy plants resist pests best. Get the basics right:
Sweetheart plant pests — FAQ
What is eating my sweetheart plant?
Hoya kerrii's thick, succulent-like leaves deter most pests, but mealybugs are its number-one indoor threat, hiding at the base of the heart-shaped leaf. Scale and spider mites can appear in dry conditions. Inspect leaf undersides and the single petiole joint regularly; treat early with isopropyl alcohol or neem oil.
How do I get rid of mealybugs on sweetheart plant?
Fluffy white deposits at leaf base or where stem meets soil; leaf edges yellow if infestation is heavy Wipe away with a 70% isopropyl alcohol swab; follow with a neem oil drench of the soil and a foliar spray
How do I get rid of scale insects on sweetheart plant?
Hard brown bumps on the petiole and leaf underside; sticky honeydew, possible sooty mold Scrape off manually with a soft brush; apply horticultural oil spray and repeat after 10 days
How do I get rid of spider mites on sweetheart plant?
Faint stippling on the leaf surface; fine webbing visible in low-humidity conditions Increase humidity, wipe leaves with a damp cloth, and spray with diluted neem oil weekly