Pest identification
What's eating my pink dipladenia?
Spider mites
Signs: Fine speckling on leaves, webbing on undersides; foliage yellows and dries in heavy infestations.
Control: Raise humidity; rinse leaves with water; spray with neem oil or insecticidal soap every 5–7 days.
Mealybugs
Signs: White cottony deposits on stems and leaf joints; sticky secretions attract sooty mold.
Control: Remove with alcohol swab; apply neem oil spray weekly until clear.
Whitefly
Signs: Clouds of tiny white insects fly off when plant is disturbed; nymphs yellow leaves by draining sap.
Control: Spray leaf undersides with insecticidal soap or neem oil three times at 5–7 day intervals.
Keep pink dipladenia pest-free
Healthy plants resist pests best. Get the basics right:
Pink Dipladenia pests — FAQ
What is eating my pink dipladenia?
Pink Dipladenia (Mandevilla sanderi 'Rosea') is prone to spider mites, mealybugs, and whitefly — especially indoors or in dry heat. Spider mites cause the fastest visible damage. Keep humidity high, rinse foliage frequently, and treat infestations with neem oil or insecticidal soap applied to all surfaces including leaf undersides.
How do I get rid of spider mites on pink dipladenia?
Fine speckling on leaves, webbing on undersides; foliage yellows and dries in heavy infestations. Raise humidity; rinse leaves with water; spray with neem oil or insecticidal soap every 5–7 days.
How do I get rid of mealybugs on pink dipladenia?
White cottony deposits on stems and leaf joints; sticky secretions attract sooty mold. Remove with alcohol swab; apply neem oil spray weekly until clear.
How do I get rid of whitefly on pink dipladenia?
Clouds of tiny white insects fly off when plant is disturbed; nymphs yellow leaves by draining sap. Spray leaf undersides with insecticidal soap or neem oil three times at 5–7 day intervals.