Welcome to Horticultural Alliance Technical Support for DIEHARD™ Mycorrhizal Inoculants and Horta-SorbŪ Water Management Gels.

Horticultural Alliance is committed to satisfying the needs of our customers. The Horticultural Alliance Technical Support Team is made up almost completely with outside, independent, highly knowledgeable and recognized leaders in their fields to provides expertise in technical support to help ensure that our customers' technical questions and issues are quickly addressed.  Unlike other companies in our industry our outside experts do not own company stock, are under no pressure to sell what we manufacturer, and are completely independent.  Answers to your technical questions or issues are based upon the most objective evidence the industry has experienced both in North America, Western and Eastern Europe, and the Far East.  Just as the organisms that we provide are global in nature so is our Technical Support Team.  This approach is in keeping with the "Open Systems" approach that we have instituted in the industry.  Like our ingredients and formulations we believe that this approach offers our customers the very best available resources that there are.

To Solve a Technical Issue send us an e-mail or give us a call.

DIEHARD™ Mycorrhizal Inoculants
Horta-SorbŪ Water Management Gels 

Customer Service Information