Since 1997 Horticultural Alliance has been growing and manufacturing mycorrhizae and other beneficial soil microorganisms for the forestry sector. We have the highest counts and most complete spectrum of organisms to get plants and seed established fast and growing strong.

September 23, 2019
Rich soil on forest floor

7 Reasons to Use Mycorrhizae

If you see a photo of the rainforest, or really the forest floor of any climate, how would you describe the soil? More than likely, the word […]
September 12, 2019
girl with tree to plant

3 Ways to Apply Mycorrhizae to Trees

Mycorrhizae are beneficial underground fungi that significantly enhance your plant’s root system and therefore its nutrient uptake, establishment in new environments, and overall vitality — naturally. Here’s […]
July 16, 2019
dead transplanted tree

Budget Tip for Parks & Rec

The image above is an actual photo taken just this week in a midwestern city not to be named here. What you see is not just a […]
July 3, 2019
Fungal hyphae are like a highway

A Match Made in Dirt

Soil isn’t just “dirt,” it’s an amazing ecosystem of its own. Thus when choosing a soil amendment or biostimulant, we believe the best approach is to set […]
September 12, 2018

7 Reasons to Use Mychorrizae Fungi

Solution? DIEHARDTM  Complete A Key Component of The Rainforest- One of the foundational components of the rain forest and its tremendous success is THE SOIL. This rich, living soil […]
June 26, 2016

Most Accepted Uses of Super-Absorbent Polymers

Solution? Horta-Sorb® Flower Beds | Super-Absorbent Polymers Broadcast-Horta-Sorb® MD at the rate of 1 lb. per 100 sq. ft. and work into the earth 4-6 inches deep. Plant […]