Pest identification
What's eating my geranium 'brookside'?
Vine weevil
Signs: Sudden wilting as larvae devour roots; adult beetles leave scalloped notches on leaf margins.
Control: Water nematodes (Heterorhabditis bacteriophora) into moist soil in August–September; check root balls when dividing.
Slugs and snails
Signs: Ragged holes across leaves and stems, slime trails present, damage worst after rain.
Control: Apply ferric phosphate pellets around crowns; use grit mulch as a deterrent; hand-pick at night.
Aphids
Signs: Dense colonies on shoot tips and undersides of young leaves, causing curling and sticky honeydew.
Control: Blast off with water; apply insecticidal soap or neem oil; encourage natural predators.
Keep geranium 'brookside' pest-free
Healthy plants resist pests best. Get the basics right:
Geranium 'Brookside' pests — FAQ
What is eating my geranium 'brookside'?
Geranium 'Brookside' is largely pest-resistant but can attract vine weevil in the root zone and slugs during wet periods. Aphids occasionally colonise fresh growth in spring. In rural gardens, rabbits may graze emerging clumps. Tackle vine weevil early with nematodes for best results.
How do I get rid of vine weevil on geranium 'brookside'?
Sudden wilting as larvae devour roots; adult beetles leave scalloped notches on leaf margins. Water nematodes (Heterorhabditis bacteriophora) into moist soil in August–September; check root balls when dividing.
How do I get rid of slugs and snails on geranium 'brookside'?
Ragged holes across leaves and stems, slime trails present, damage worst after rain. Apply ferric phosphate pellets around crowns; use grit mulch as a deterrent; hand-pick at night.
How do I get rid of aphids on geranium 'brookside'?
Dense colonies on shoot tips and undersides of young leaves, causing curling and sticky honeydew. Blast off with water; apply insecticidal soap or neem oil; encourage natural predators.