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Promix - Flower Boost - Garden Fertilizer

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SKU 2962

This PRO-MIX organic garden fertilizer flower boost 3-7-3 is designed to improve soil nutrition and optimize conditions for healthier plants.

  • With MYCOACTIVE technology to stimulate vigorous for greater resistance, larger root systems for increased nutrient and water uptake, and bigger, healthier plants
  • High Phosphorus formula for large long-lasting blooms
  • OMRI listed for organic use

Best for

  • Indoor & Outdoor
  • Annuals & perennials 
  • Flower beds


  • Total Nitrogen (N) 3%
  • Available Phosphoric Acid (P2O5) 7%
  • Soluble Potash (K2O) 3%
  • Organic Matter 46%