Pest identification
What's eating my cape primrose?
Vine weevil
Signs: Irregular notches chewed from leaf margins; larvae eat roots causing sudden wilting and plant collapse
Control: Apply nematodes (Steinernema kraussei) to moist compost in late summer or spring; inspect roots when repotting and remove grubs by hand
Mealybugs
Signs: Waxy white colonies in leaf axils and along midribs; leaves yellow; sticky honeydew
Control: Dab with alcohol swabs; spray with insecticidal soap or neem oil and repeat weekly
Aphids
Signs: Soft insects clustered on new growth and flower stems; distorted buds; sticky residue
Control: Wipe off with a damp cloth; spray with insecticidal soap or neem oil; repeat as needed
Thrips
Signs: Silver or brown streaking on petals; scarred, distorted flowers; tiny insects in blooms
Control: Remove affected flowers; apply spinosad or insecticidal soap to all surfaces; repeat weekly for 3 cycles
Keep cape primrose pest-free
Healthy plants resist pests best. Get the basics right:
Cape Primrose pests — FAQ
What is eating my cape primrose?
Cape Primrose 'Crystal Ice' is a flowering indoor plant most troubled by vine weevils, which eat notches from leaf edges and whose larvae destroy roots. Mealybugs and aphids also attack. Thrips scar the blooms. Keep plants in freely draining compost, inspect roots at repotting, and treat promptly to protect flowering.
How do I get rid of vine weevil on cape primrose?
Irregular notches chewed from leaf margins; larvae eat roots causing sudden wilting and plant collapse Apply nematodes (Steinernema kraussei) to moist compost in late summer or spring; inspect roots when repotting and remove grubs by hand
How do I get rid of mealybugs on cape primrose?
Waxy white colonies in leaf axils and along midribs; leaves yellow; sticky honeydew Dab with alcohol swabs; spray with insecticidal soap or neem oil and repeat weekly
How do I get rid of aphids on cape primrose?
Soft insects clustered on new growth and flower stems; distorted buds; sticky residue Wipe off with a damp cloth; spray with insecticidal soap or neem oil; repeat as needed
How do I get rid of thrips on cape primrose?
Silver or brown streaking on petals; scarred, distorted flowers; tiny insects in blooms Remove affected flowers; apply spinosad or insecticidal soap to all surfaces; repeat weekly for 3 cycles