Pest identification
What's eating my yellow oleander?
Oleander aphid (Aphis nerii)
Signs: Dense yellow-orange colonies on new growth and flower buds; sticky honeydew and sooty mold follow.
Control: Blast off with a strong water jet, then apply insecticidal soap or neem oil; encourage ladybugs.
Scale insects (soft & armored)
Signs: Brown or white waxy bumps on stems; yellowing leaves and stunted growth from sap loss.
Control: Scrape off with a soft brush dipped in rubbing alcohol; follow up with horticultural oil spray.
Oleander hawk-moth caterpillar (Daphnis nerii)
Signs: Large, rapid defoliation — whole branches stripped overnight by big green caterpillars.
Control: Handpick caterpillars in evenings; apply Bt (Bacillus thuringiensis) for heavier infestations.
Keep yellow oleander pest-free
Healthy plants resist pests best. Get the basics right:
Yellow Oleander pests — FAQ
What is eating my yellow oleander?
Yellow oleander is attacked mainly by oleander aphids, scale insects, and mealybugs. Caterpillars of the oleander hawk-moth can strip foliage outdoors. Despite its toxicity, several specialist insects have evolved resistance. Neem oil or insecticidal soap handles most infestations; pick off caterpillars by hand.
How do I get rid of oleander aphid (aphis nerii) on yellow oleander?
Dense yellow-orange colonies on new growth and flower buds; sticky honeydew and sooty mold follow. Blast off with a strong water jet, then apply insecticidal soap or neem oil; encourage ladybugs.
How do I get rid of scale insects (soft & armored) on yellow oleander?
Brown or white waxy bumps on stems; yellowing leaves and stunted growth from sap loss. Scrape off with a soft brush dipped in rubbing alcohol; follow up with horticultural oil spray.
How do I get rid of oleander hawk-moth caterpillar (daphnis nerii) on yellow oleander?
Large, rapid defoliation — whole branches stripped overnight by big green caterpillars. Handpick caterpillars in evenings; apply Bt (Bacillus thuringiensis) for heavier infestations.