Pest identification
What's eating my tagetes patula 'janie bright yellow'?
Spider mites
Signs: Fine webbing under leaves; stippled, bronzed foliage — worst in hot, dry weather.
Control: Mist foliage regularly; spray with insecticidal soap or neem oil; improve irrigation to reduce heat stress.
Aphids
Signs: Soft green or black insects clustered on tips and buds; honeydew leads to sooty mould.
Control: Strong water spray to dislodge; insecticidal soap; attract beneficial insects with nearby flowering herbs.
Slugs and snails
Signs: Seedlings and young plants eaten at the base overnight; slime trails visible in the morning.
Control: Iron phosphate pellets; hand-pick at dusk; ensure soil is not waterlogged, which encourages slugs.
Keep tagetes patula 'janie bright yellow' pest-free
Healthy plants resist pests best. Get the basics right:
- What eats french marigold — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common tagetes patula 'janie bright yellow' problems & fixes
- Tagetes patula 'Janie Bright Yellow' watering schedule
- Tagetes patula 'Janie Bright Yellow' light requirements
- Full tagetes patula 'janie bright yellow' care guide
Tagetes patula 'Janie Bright Yellow' pests — FAQ
What is eating my tagetes patula 'janie bright yellow'?
French marigolds like 'Janie Bright Yellow' are fairly tough but spider mites strike in dry heat, causing bronzed foliage with webbing. Aphids colonise shoot tips and slugs shred seedlings. Budworm caterpillars bore into buds. Overall pest pressure is low — marigolds' aromatic foliage repels many common garden insects.
How do I get rid of spider mites on tagetes patula 'janie bright yellow'?
Fine webbing under leaves; stippled, bronzed foliage — worst in hot, dry weather. Mist foliage regularly; spray with insecticidal soap or neem oil; improve irrigation to reduce heat stress.
How do I get rid of aphids on tagetes patula 'janie bright yellow'?
Soft green or black insects clustered on tips and buds; honeydew leads to sooty mould. Strong water spray to dislodge; insecticidal soap; attract beneficial insects with nearby flowering herbs.
How do I get rid of slugs and snails on tagetes patula 'janie bright yellow'?
Seedlings and young plants eaten at the base overnight; slime trails visible in the morning. Iron phosphate pellets; hand-pick at dusk; ensure soil is not waterlogged, which encourages slugs.