Library

Organic remedies

Rated by evidence. A blank here would be kinder than a miracle cure.

• Insecticidal soap spray spray · high evidence
• Neem oil spray spray · moderate evidence
• Potassium bicarbonate spray spray · high evidence
• Milk spray spray · moderate evidence
• Bordeaux mixture (copper) spray · high evidence
• Wettable sulphur spray · high evidence
• Bacillus thuringiensis (Bt) biological · high evidence
• Slug nematodes biological · high evidence
• Iron phosphate slug pellets trap · high evidence
• Beer trap trap · low evidence
• Kaolin clay film spray · high evidence
• Horticultural oil (white oil) spray · moderate evidence
• Insect mesh and fleece barrier barrier · high evidence
• Cabbage root fly collars barrier · high evidence
• Grease bands barrier · high evidence
• Garlic and chilli infusion spray · low evidence
• Yellow sticky traps trap · moderate evidence
• Pheromone traps trap · moderate evidence
• Diatomaceous earth barrier · moderate evidence
• Pyrethrum spray spray · high evidence
• Encourage predators cultural · high evidence
• Water jet and finger squash cultural · moderate evidence
• Comfrey liquid feed feed · high evidence
• Nettle liquid feed feed · moderate evidence
• Seaweed extract feed · moderate evidence
• Wood ash amendment · moderate evidence
• Epsom salts (magnesium) feed · moderate evidence
• Bacillus subtilis biofungicide biological · moderate evidence
• Mulch cultural · high evidence