Mycorrhizal Fungi Products
Bacteria and Trichoderma
OMRI Listed Products
Education & FAQs
How To Apply
Non-Ag Applications of Horta-Sorb®
Over 100 pages of Horticultural Alliance Information now available!
Download “hotlinks” are in PDF format unless otherwise indicated.
What Is Mycorrhizae?
FAQs on Mycorrhizae
Research by Species used in DIEHARD™ Products
Research in Citrus with Mycorrhizae
Research on Superabsorbents
Product Comparison – Label for Label – Don’t Be Mislead
How Much Should You Use?
Fax your plant list to us at (888) 386-4478, and we will do a take off, and provide you with a report showing how much material is needed for your project and the estimated cost.
Download this spreadsheet
to calculate your own usage needs (Microsoft Excel format)