Pest identification
What's eating my euphorbia ingens?
Mealybugs
Signs: White cottony clusters at stem joints and branch crevices; sticky honeydew residue and wilting new growth.
Control: Dab visible colonies with a cotton swab dipped in 70% isopropyl alcohol; follow up with neem oil spray every 7–10 days until clear.
Spider mites
Signs: Fine webbing between branches, dusty stippling on green stem tissue, and bronze discolouration in severe cases.
Control: Raise humidity, mist the affected areas, and apply insecticidal soap or diluted neem oil; repeat weekly for three weeks.
Scale insects
Signs: Flat brown or tan waxy bumps fixed to stems; plant looks dull and may drop segments if heavily infested.
Control: Scrape off with a soft toothbrush, then treat with horticultural oil spray; inspect new stems monthly.
Keep euphorbia ingens pest-free
Healthy plants resist pests best. Get the basics right:
Euphorbia ingens pests — FAQ
What is eating my euphorbia ingens?
Euphorbia ingens is a large candelabra succulent that attracts mealybugs and spider mites indoors. Its toxic milky latex deters most pests, but the stem joints and growing tips are vulnerable. Inspect monthly and treat early. Mealybugs are the most common indoor threat on this species.
How do I get rid of mealybugs on euphorbia ingens?
White cottony clusters at stem joints and branch crevices; sticky honeydew residue and wilting new growth. Dab visible colonies with a cotton swab dipped in 70% isopropyl alcohol; follow up with neem oil spray every 7–10 days until clear.
How do I get rid of spider mites on euphorbia ingens?
Fine webbing between branches, dusty stippling on green stem tissue, and bronze discolouration in severe cases. Raise humidity, mist the affected areas, and apply insecticidal soap or diluted neem oil; repeat weekly for three weeks.
How do I get rid of scale insects on euphorbia ingens?
Flat brown or tan waxy bumps fixed to stems; plant looks dull and may drop segments if heavily infested. Scrape off with a soft toothbrush, then treat with horticultural oil spray; inspect new stems monthly.