Pest identification
What's eating my indian summer black-eyed susan?
Aphids
Signs: Sticky, distorted new growth; yellowing flower stalks
Control: Hose off; spray with insecticidal soap or diluted neem oil
Japanese beetles
Signs: Lacy, skeletonized petals and leaves where adults feed in clusters
Control: Hand-pick into soapy water; treat lawn grubs with nematodes in late summer
Sawfly larvae
Signs: Leaf edges eaten in a notched or skeletonized pattern by pale caterpillar-like larvae
Control: Pick larvae off by hand; apply pyrethrin spray as a last resort
Rabbits
Signs: Clean-cut stems and missing flower heads, especially in spring and early summer
Control: Protect with low wire mesh fencing; use rabbit repellent spray around the bed perimeter
Keep indian summer black-eyed susan pest-free
Healthy plants resist pests best. Get the basics right:
- What eats gloriosa daisy — the species this cultivar belongs to
- What eats indian summer black-eyed susan — our other guide for the same plant
- What's wrong with my plant? — the diagnosis apps compared
- Common indian summer black-eyed susan problems & fixes
- Indian Summer black-eyed Susan watering schedule
- Indian Summer black-eyed Susan light requirements
- Full indian summer black-eyed susan care guide
Indian Summer black-eyed Susan pests — FAQ
What is eating my indian summer black-eyed susan?
Indian Summer black-eyed Susan is vulnerable to aphids on new growth and Japanese beetles that shred the petals and foliage. Sawfly larvae skeletonize leaves in summer. Rabbits and deer browse flowers readily. Planting in full sun with good airflow prevents the powdery mildew that can compound pest stress.
How do I get rid of aphids on indian summer black-eyed susan?
Sticky, distorted new growth; yellowing flower stalks Hose off; spray with insecticidal soap or diluted neem oil
How do I get rid of japanese beetles on indian summer black-eyed susan?
Lacy, skeletonized petals and leaves where adults feed in clusters Hand-pick into soapy water; treat lawn grubs with nematodes in late summer
How do I get rid of sawfly larvae on indian summer black-eyed susan?
Leaf edges eaten in a notched or skeletonized pattern by pale caterpillar-like larvae Pick larvae off by hand; apply pyrethrin spray as a last resort
How do I get rid of rabbits on indian summer black-eyed susan?
Clean-cut stems and missing flower heads, especially in spring and early summer Protect with low wire mesh fencing; use rabbit repellent spray around the bed perimeter