science | January 14, 2026

Does Pro-Mix soil have nutrients?

The peat in the mix provides bulk volume, holding water and nutrients to make them available to your plants. The perlite lets excess water drain while allowing the plant roots to access oxygen. The gypsum provides calcium (very important for your tomatoes!) while the limestone neutralizes the pH of the peat moss.

Are there nutrients in Pro-Mix?

Does PRO-MIX BX have nutrients? Yes, PRO-MIX contains a starter fertilizer to help plants acclimate to a new rooting environment. We strongly recommended to initiate a fertilizer program within 7-10 days after planting.

Is Pro-Mix a good soil?

Pro-Mix is a good lightweight soil that works well for most plants we've grown through the years. Another thing to keep in mind with Pro-Mix is that when it dries out it can be tough to re-hydrate in our experience.

What does Pro-Mix consist of?

What is in Pro Mix potting soil? The Pro Mix moisture mix contains Sphagnum peat moss (80-90%), natural coco coir fiber, perlite, ground limestone (for pH), mycorrhizae, and an undisclosed wetting agent. The organic garden mix contains a bit less peat but also includes Gypsum.

What nutrients are in ProMix HP?

PRO-MIX HP MYCORRHIZAE™

  • • Canadian Sphagnum. Peat Moss (65-75%) • Perlite - horticultural grade. • Dolomitic and Calcitic. ...
  • • High perlite content, peat-perlite based. growing medium. • Low water retention. ...
  • • Dries out more frequently. than general purpose, peat-based mixes. ...
  • NO3-N. nitrate. PO4-P. ...
  • PT20281. 2.8. 25-35 lb.

Pro Mix Soil Blends Explained - ProMix BX HP MP Mycorrhize Soilless

Is PRO-MIX HP considered soil?

PRO-MIX HP is a peat-based growing medium formualted with a high percentage of perlite. PRO-MIX HP and all PRO-MIX growing media products are 'soilless', meaning that they do not contain any mineral soil.

Does promix organic have fertilizer in it?

There is peat moss (75%) peat humus, compost, perlite, gypsum, limestone and organic fertilizer.

Is promix the same as potting soil?

PRO-MIX Premium Moisture Potting Mix is perfect for all indoor and outdoor container planting, re-potting or seed starting. This high-quality peat-based potting soil provides the best results, thanks to mycorrhizae that build stronger roots and give healthier, bigger and more productive plants.

Is promix good for vegetables?

PRO-MIX Premium Organic Garden Mix is ideal for outdoor gardening projects, such as vegetables, herbs, flowers, seed starting, raised garden beds and containers. This high-quality peat-based garden soil is OMRI®-listed and approved for organic use. It's your go-to option for tasty vegetables and organic growing.

Which Pro-Mix is best?

From the many Pro-Mix blends available on the market, the best bag to snag for growing cannabis plants is the perlite-rich Pro-Mix HP. Because of the high perlite levels, this mix offers a stable and protected growing environment beneath the surface and provides the most drainage possible out of all Pro-Mix blends.

What fertilizer is in ProMix?

Total Nitrogen (N) 7% Available Phosphoric Acid (P2O5) 3% Soluble Potash (K2O) 3%

Is ProMix good for seed starting?

PRO-MIX Ultimate Seed Starting Mix is the ideal peat-based growing mix for germinating seeds. This mix is great for germinating, vegetable, flower, herb seeds as well as for starting leaf, stem or root cuttings.

Is ProMix good for tomatoes?

ProMix is great for tomatoes. You'll need to fertilize the plants, but PM is one of the better planting soils.

Is HP PRO-MIX organic?

Yes, PRO-MIX MP is approved for organic use. This product is OMRI listed with the USDA National Organic Program and with Québec Vrai CERTIFIED.

How do you make a living soil with PRO-MIX?

  1. You can use a Compressed bag of Promix (3.8 cu ft) and mix it with our 3 cu ft Soil Mixing Kit to make about 9 cu ft of organic living soil at home.
  2. If not using pro-mix, you can use peat and perlite or any another aeration mixture and make your own living soil.

Is PRO-MIX soil or coco?

PRO-MIX HPCC is a High Porosity – Chunk Coir growing medium that contains a base of sphagnum peat moss, chunk coir and perlite.

What is the difference between peat moss and Pro-Mix?

Peat Moss is an inert, biological (once living) substrate that is harvested from wetlands all around the world. Promix is a blended substrate comprised of peat moss, perlite, dolomite lime and a wetting agent.

How long does Pro-Mix last?

Once in use, it generally lasts about one to two weeks, depending on the rate the manufacturer incorporates, how much water is applied to plants (volume divided by frequency) and plant uptake. If you are unsure of the fertilizer content, check with the growing media manufacturer for fertility levels.

Can I use Pro Mix potting soil for vegetables?

This versatile soil works great for both indoor and outdoor plantings and is suitable for growing vegetables, herbs, annuals and perennials. We offer BX Mycorrhizae in a 3.8 cu ft compressed bale for $35.99.

Can you use Pro Mix potting mix for vegetables?

PRO-MIX® Organic Vegetable & Herb Mix is a ready-to-use, peat-based product designed to meet all vegetable, fruit, and herb garden needs. It is OMRI-listed and can be used with plants in containers or plants grown directly in the ground.

What is the pH of pro mix potting soil?

Typically the pH of an unused PRO-MIX product that is 4-9 months old is 5.2-5.8 (S.M.E. method), depending on the product and the moisture content. A growing medium should be used within nine to twelve months of its manufacturing date to ensure that the pH of the unused growing medium is not too high.

What pH Should I water with ProMix?

To review, the pH of the water does not influence or predict the pH of PRO-MIX or any growing medium. Adjusting the water pH to the ideal growing medium pH of 5.6-6.2 does not mean the pH of a growing medium will remain in this range.