Since 1997 Horticultural Alliance has been growing and manufacturing mycorrhizae and other beneficial soil microorganisms for the arborist 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 […]
September 9, 2019
Furman University sign

Campus Tour: Furman University

In any business, it can be easy to get so focused on product that you lose sight of the user. We proactively seek to avoid this, which […]
August 22, 2019

Superabsorbent Gels vs. Tree Bags

A while back, tree bags were a novel approach to keeping newly planted trees watered. Water would seep out of the bottom of the bag over the […]
July 23, 2019
three areas to target for plant success

The Third Zone

When you want plants to thrive around a property, whether you are doing so as a homeowner or whether your job and business reputation depend on it, […]
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 […]
October 2, 2017

Discover Mycorrhizae Fungi | A Natural Partner in the Ground

  Why buy Mycorrhizae? Mycorrhizal fungi are beneficial to plants as part of a symbiotic relationship with roots that greatly benefits both the fungus and the plant […]
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 […]
March 25, 2016

Beneficial Soil Fungi – When to Buy

Plants are Ready for Season – How Do They Know? The organisms below ground and the plants above ground certainly are ready; as the days are getting […]