Pest identification
What's eating my geranium wallichianum 'syabru'?
Vine weevil
Signs: Grubs destroy roots and crown tissue, causing sudden wilting; adults notch leaf edges.
Control: Soil drench with Heterorhabditis bacteriophora nematodes in August; check fleshy crown when dividing.
Slugs and snails
Signs: Chewed trailing stems and leaf holes; slime trails confirm activity near the crown.
Control: Ferric phosphate pellets, grit mulch, or nightly hand-picking; avoid dense mulch that shelters slugs.
Aphids
Signs: Infestations on soft shoot tips producing honeydew and mild leaf distortion.
Control: Knock off with water; apply insecticidal soap; rely on ladybirds and hoverflies for natural suppression.
Keep geranium wallichianum 'syabru' pest-free
Healthy plants resist pests best. Get the basics right:
- What eats wallich's cranesbill — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common geranium wallichianum 'syabru' problems & fixes
- Geranium wallichianum 'Syabru' watering schedule
- Geranium wallichianum 'Syabru' light requirements
- Full geranium wallichianum 'syabru' care guide
Geranium wallichianum 'Syabru' pests — FAQ
What is eating my geranium wallichianum 'syabru'?
Geranium wallichianum 'Syabru' has the same pest vulnerabilities as the species. Vine weevil larvae damaging the crown and roots are the biggest risk to plant survival. Slugs and snails attack foliage and tender stems in wet weather. Aphids can appear on new growth. Nematode treatment and slug control in spring are advisable.
How do I get rid of vine weevil on geranium wallichianum 'syabru'?
Grubs destroy roots and crown tissue, causing sudden wilting; adults notch leaf edges. Soil drench with Heterorhabditis bacteriophora nematodes in August; check fleshy crown when dividing.
How do I get rid of slugs and snails on geranium wallichianum 'syabru'?
Chewed trailing stems and leaf holes; slime trails confirm activity near the crown. Ferric phosphate pellets, grit mulch, or nightly hand-picking; avoid dense mulch that shelters slugs.
How do I get rid of aphids on geranium wallichianum 'syabru'?
Infestations on soft shoot tips producing honeydew and mild leaf distortion. Knock off with water; apply insecticidal soap; rely on ladybirds and hoverflies for natural suppression.