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Premier Pro-Mix HP Mycorrhizae 3.8 cu ft


ProMix Soil Medium for Microgreens and Plant Starts!

This product is only available by pallet (30 - 3.8 cu ft. bags). Pro-Mix® HP Mycorrhizae™ is the microgreens top choice for soil growing media. It has exceptional drainage because of its high-porosity, peat-based formula. It is great for root cuttings and propagation as well as seed starting and ornamentals. This highly versatile medium contains Canadian sphagnum peat moss (65-75% per volume), horticulture grade perlite, dolomitic and calcitic limestone (for PH adjustment), wetting agents, and mycorrhizae- endomycorrhizal fungi (glomus intraradices). This PH-neutral mix provides plants with everything they need for optimal results. Available by pallets of 30 3.8 cu ft bags.

The 3.8 cu. ft. size is compressed and expands to approximately 7 cu. ft.

Key Features of Promix Soil Mix

  • Contains 100% natural Mycorrhizae 
  • Peat-based growing medium with perlite and vermiculite.
  • Ideal for the production of vegetable transplants and microgreens
  • High water holding qualities
  • pH adjusted

*This item can not be returned.

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Free shipping on orders over $49 to Contiguous US
Shipping Policy

Most products will ship from our facility in 1 to 2 business days after the order is placed.  Express shipments placed after 12PM EST will be shipped out next business day. Full details can be found on our Shipping Policy Page

Returns Policy

Returns can be made on most products within 30 days of purchase. After 30 days we unable to offer a refund or exchange. Certain products are non-returnable. For full details visit our Returns Policy


Ask a Question
  • Will this be available in single-unit bags, for home gardeners?

    This is only available by the pallet. Sorry!

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