Pest identification
What's eating my stiff goldenrod?
Goldenrod gall fly (Eurosta solidaginis)
Signs: Hard, spherical stem galls; stems may droop; reduced flowering on affected shoots
Control: Prune out galls in late winter and dispose of them away from the garden
Aphids
Signs: Clustered colonies on stem tips; honeydew deposits attracting ants; stunted shoot growth
Control: Strong water spray; insecticidal soap for persistent infestations; encourage natural predators
Japanese beetle (Popillia japonica)
Signs: Flower heads and upper leaves chewed; metallic beetles visible feeding in groups
Control: Handpick beetles in early morning and drop into soapy water; neem oil spray as deterrent
Keep stiff goldenrod pest-free
Healthy plants resist pests best. Get the basics right:
Stiff Goldenrod pests — FAQ
What is eating my stiff goldenrod?
Stiff Goldenrod (Solidago rigida) is susceptible to the same goldenrod pests as its relatives. Stem gall insects and aphids are most frequent. Japanese beetles feed on flower heads in summer. Rabbits and deer may browse young growth but generally leave established clumps alone. Overall a resilient prairie native.
How do I get rid of goldenrod gall fly (eurosta solidaginis) on stiff goldenrod?
Hard, spherical stem galls; stems may droop; reduced flowering on affected shoots Prune out galls in late winter and dispose of them away from the garden
How do I get rid of aphids on stiff goldenrod?
Clustered colonies on stem tips; honeydew deposits attracting ants; stunted shoot growth Strong water spray; insecticidal soap for persistent infestations; encourage natural predators
How do I get rid of japanese beetle (popillia japonica) on stiff goldenrod?
Flower heads and upper leaves chewed; metallic beetles visible feeding in groups Handpick beetles in early morning and drop into soapy water; neem oil spray as deterrent