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PRO-MIX HP Biofungicide/Mycorrhizae Mix

Prices as of September 27, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$48.53
Sep 15 · Macy's
Best price
$50.61
−0% vs high
14-day high
$50.61
All stores

Lowest recorded: $44.87 at Macy's on Feb 8, 2025 · $5.74 above that low today · tracked since Nov 2024.

$51$50$49
Sep 14Sep 27
  • Macy's
Lowest in 14 days: $48.53 at Macy's. Highest: $50.61. Current best is 0% below the 14-day high.

About this product

Premier Horticulture Inc's PRO-MIX HP Biofungicide/Mycorrhizae Mix is a peat-based potting medium designed for optimal plant growth, featuring high porosity and excellent drainage. It combines 75% Canadian sphagnum peat moss with 25% perlite to promote strong root development. The blend includes mycorrhizae (Glomus intraradices) to improve nutrient and water absorption and bacillus subtilis as a biofungicide to help protect roots from disease-causing organisms. This mix covers approximately 2.8 cubic feet and is made in the USA.

  • 75% peat moss, 25% perlite
  • Covers 2.8 cubic feet
  • Contains mycorrhizae
  • Biofungicide added
  • Made in USA
  • High porosity for drainage

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PRO-MIX HP Biofungicide/Mycorrhizae Mix — Price History