Pest identification
What's eating my forsythia 'show off'?
Four-lined Plant Bug (Poecilocapsus lineatus)
Signs: Sunken circular brown spots on leaves in early summer; damage is cosmetic and rarely serious
Control: Neem oil or insecticidal soap targeting nymphs in late spring; remove plant debris where eggs overwinter
Aphids
Signs: Sticky curled shoot tips in spring; sooty mold may develop on honeydew
Control: Insecticidal soap spray; encourage lacewings and ladybugs
Deer & Rabbits
Signs: Flower buds and young stems stripped in late winter, eliminating spring bloom
Control: Apply deer/rabbit repellent in autumn and after rain; wire guards around stems in exposed gardens
Keep forsythia 'show off' pest-free
Healthy plants resist pests best. Get the basics right:
Forsythia 'Show Off' pests — FAQ
What is eating my forsythia 'show off'?
Forsythia 'Show Off' shares the same pest profile as other forsythias: four-lined plant bugs cause leaf spotting in early summer, aphids may cluster on new growth, and deer or rabbits frequently browse flower buds in late winter before blooming begins. Overall pest pressure is low, but protecting buds from deer is the most impactful winter task.
How do I get rid of four-lined plant bug (poecilocapsus lineatus) on forsythia 'show off'?
Sunken circular brown spots on leaves in early summer; damage is cosmetic and rarely serious Neem oil or insecticidal soap targeting nymphs in late spring; remove plant debris where eggs overwinter
How do I get rid of aphids on forsythia 'show off'?
Sticky curled shoot tips in spring; sooty mold may develop on honeydew Insecticidal soap spray; encourage lacewings and ladybugs
How do I get rid of deer & rabbits on forsythia 'show off'?
Flower buds and young stems stripped in late winter, eliminating spring bloom Apply deer/rabbit repellent in autumn and after rain; wire guards around stems in exposed gardens