Pest identification
What's eating my geranium cantabrigiense 'cambridge'?
Vine weevil
Signs: White root-eating grubs cause sudden wilting; notched leaf edges are the adult's calling card.
Control: Treat soil with Heterorhabditis bacteriophora nematodes in late summer when soil is warm and moist.
Slugs and snails
Signs: Irregular holes in leaves and stems, especially on young spring growth; slime trails indicate activity.
Control: Ferric phosphate pellets, grit mulch, or nightly hand-picking; avoid overwatering which increases slug pressure.
Aphids
Signs: Colonies on shoot tips cause sticky, curled or stunted new growth.
Control: Squash by hand, blast with water, or use insecticidal soap spray; birds and ladybirds help naturally.
Keep geranium cantabrigiense 'cambridge' pest-free
Healthy plants resist pests best. Get the basics right:
- What eats geranium cantabrigiense — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common geranium cantabrigiense 'cambridge' problems & fixes
- Geranium cantabrigiense 'Cambridge' watering schedule
- Geranium cantabrigiense 'Cambridge' light requirements
- Full geranium cantabrigiense 'cambridge' care guide
Geranium cantabrigiense 'Cambridge' pests — FAQ
What is eating my geranium cantabrigiense 'cambridge'?
Geranium cantabrigiense 'Cambridge' is notably robust, but vine weevil, slugs, and aphids are still worth monitoring. Its aromatic foliage helps deter deer and rabbits. The spreading mat of leaves reduces slug habitat. Vine weevil grubs pose the greatest risk to plant survival, especially in heavier soils.
How do I get rid of vine weevil on geranium cantabrigiense 'cambridge'?
White root-eating grubs cause sudden wilting; notched leaf edges are the adult's calling card. Treat soil with Heterorhabditis bacteriophora nematodes in late summer when soil is warm and moist.
How do I get rid of slugs and snails on geranium cantabrigiense 'cambridge'?
Irregular holes in leaves and stems, especially on young spring growth; slime trails indicate activity. Ferric phosphate pellets, grit mulch, or nightly hand-picking; avoid overwatering which increases slug pressure.
How do I get rid of aphids on geranium cantabrigiense 'cambridge'?
Colonies on shoot tips cause sticky, curled or stunted new growth. Squash by hand, blast with water, or use insecticidal soap spray; birds and ladybirds help naturally.