Crocus angustifolius · Bulb
Vine weevil: Hand-pick adults at night or apply biological nematodes to the soil in late summer.
Powdery mildew: Ensure good air circulation and avoid dry roots with damp stagnant air around the foliage.
Slugs and snails: Use physical barriers like copper tape or apply iron phosphate-based pellets to control populations.
Corm rot: Plant in well-drained soil and avoid waterlogging, especially during the dormant period.
Aphids: Encourage natural predators like ladybirds or use a strong jet of water to dislodge them.