Potassium Bicarbonate

Potassium bicarbonate is a naturally occurring compound that acts as a contact fungicide. It's particularly effective against powdery mildew and other fungal diseases. This treatment works by changing the pH on leaf surfaces, making it inhospitable for fungal growth.

Buy on Amazon

As an Amazon Associate, we earn from qualifying purchases.

Common Uses

  • Controls powdery mildew
  • Prevents various fungal diseases
  • Safe for edible crops
  • Effective on many vegetables
  • Works on ornamental plants
  • No pre-harvest waiting period

Application Methods

  • Mix with water and spray thoroughly
  • Apply at first sign of disease
  • Use as preventive treatment
  • Reapply every 7-14 days
  • Cover all plant surfaces

Safety Precautions

  • May cause leaf burn in hot weather
  • Test on small area first
  • Avoid applying in full sun
  • Don't mix with acidic materials
  • Store in dry location
  • Protect from moisture

Best Practices

  • Apply before disease develops
  • Ensure complete coverage
  • Use with spreader-sticker
  • Apply in cool conditions
  • Monitor plant response
  • Maintain regular schedule