Pest identification
What's eating my large-stalked sinningia?
Mealybug
Signs: White cottony colonies at stem bases, leaf axils, and around the tuber; leads to yellowing and poor flowering
Control: Spot-treat with isopropyl alcohol; spray insecticidal soap or neem oil; repeat weekly for 3–4 weeks
Aphid
Signs: Clusters on flower stalks and buds; honeydew promotes sooty mold; buds may abort
Control: Remove by hand or water blast; treat with insecticidal soap; repeat as needed
Fungus gnat
Signs: Larvae damage roots and tuber surface in overly moist compost; adults emerge from the soil
Control: Allow soil surface to dry; apply Bti drench; use sticky yellow cards to monitor adults
Keep large-stalked sinningia pest-free
Healthy plants resist pests best. Get the basics right:
large-stalked sinningia pests — FAQ
What is eating my large-stalked sinningia?
Large-stalked sinningia (Sinningia macropoda) is a tuberous houseplant with prominent flower stalks. Mealybugs are the most consistent indoor threat, colonizing stem bases and the tuber crown. Aphids can gather on the tall flower stalks. Fungus gnats breed in wet compost around the tuber.
How do I get rid of mealybug on large-stalked sinningia?
White cottony colonies at stem bases, leaf axils, and around the tuber; leads to yellowing and poor flowering Spot-treat with isopropyl alcohol; spray insecticidal soap or neem oil; repeat weekly for 3–4 weeks
How do I get rid of aphid on large-stalked sinningia?
Clusters on flower stalks and buds; honeydew promotes sooty mold; buds may abort Remove by hand or water blast; treat with insecticidal soap; repeat as needed
How do I get rid of fungus gnat on large-stalked sinningia?
Larvae damage roots and tuber surface in overly moist compost; adults emerge from the soil Allow soil surface to dry; apply Bti drench; use sticky yellow cards to monitor adults