Aethusa cynapium · Annual
Slugs and snails: Use beer traps, copper tape barriers, or iron phosphate pellets to control populations.
Vine weevil: Check pots for grubs before planting and apply biological nematodes or systemic insecticides.
Aphids: Encourage natural predators like ladybirds or spray with a strong jet of water or insecticidal soap.
Powdery mildew: Improve air circulation and apply a sulphur-based fungicide if infection is severe.
Root rot: Ensure well-drained soil and avoid overwatering to prevent fungal attack on roots.