Item Number: PSO241
Pro-Mix HP Mycorrhizae (3.8 cu ft)
Great for Acid-Loving Plants
PRO-MIX HP MYCORRHIZAE™ is a peat based, high-porosity growing medium specially formulated by Premier Tech to deliver superior air capacity and extra drainage. Designed to optimize growth especially when high air capacity is needed, this formula is ideal for water sensitive crops rooting cutting and plants grown under light growing conditions.
Key Features
- Provides high air capacity and capacity and extra drainage for healthy root system development
- Contains beneficial mycorrhizae 3.8 cu ft inoculum (Glomus intraradices) that enhances nutrient uptake and improves water uptake
- Made from premium sphagnum peat moss (65-75%) blended with horticultural-grade perlite and dolomitic & calcitic limestone for balanced pH
- Includes a wetting agent for consistent moisture and effective water retention
- Suitable for water sensitive crops rooting, propagation, and general horticultural use
Benefits of Pro-Mix HP Mycorrhizae
- Boosts increased nutrients absorption by expanding the root zone via symbiotic fungi
- Prevents waterlogging while maintaining proper moisture balance—critical for water sensitive crops rooting cutting
- Promotes vigorous plant growth and stronger, healthier plants in both greenhouse and outdoor environments
- Ideal alternative to standard pro mix soil and pro mix bx blends
Ingredients (Active Ingredients)
- Canadian sphagnum peat moss (65-75%)
- Perlite (horticultural grade)
- Dolomitic and calcitic limestone (pH adjuster)
- Beneficial mycorrhizae (Glomus intraradices)
- Wetting agent
Usage and Availability
- Perfect for container gardening, propagation, and growing sensitive crops rooting cutting
- Available in convenient 3.8 cu ft bags
- This is for pick up only at the Grass Valley store or call us for a custom shipping quote.
Enhance your garden or farm with Pro-Mix HP Mycorrhizae 3.8 cu ft, a premium peat based growing medium that supports exceptional growth especially when high aeration and drainage are essential. Explore our full range of growing mediums to find the perfect fit for your needs.
Peaceful Valley Farm & Garden Supply
125 Clydesdale Court, Grass Valley, CA 95945
Working Hours
Nov. 1 - Mar. 31: Monday - Saturday, 9:00am - 5:00pm
Apr. 1 - Oct. 31: Monday - Saturday, 9:00am - 5:00pm PST
Check Your Zone Compatibility:
Compatible with your zone.
Growing Zone for

Our Guarantee To You
Since 1976, we've served our customers at every stage of growing. Please contact us at any time. We are happy to support and assist you.
Shipping Information
Shipping Information
Does not qualify for Flat Rate Shipping.
Shipping Weight: 65.0 lb
Dimensions: 26.0"L x 18.0"W x 7.0"H
Features
Features
- Biodegradable
- Improves Water Holding Capacity
Characteristics
Characteristics
Use Instructions
Use Instructions
Useful Information
Useful Information
Guarantee
Guarantee
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This has become one of my new favorites for all around propagation. From seeds to cuttings we use this mix for our fig trees and have had unbelievable success. The mix is formulated for strong and fast root development. No complaints about it!
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