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  • energize nature

    Our products work seamlessly to establish a strong foundation for healthy plants which requires less maintenance and less chemical input over time.

  • Innovative Products

    Unique and complex peptide technology provides fresh, natural, and beneficial products that make plants, people, and the planet happy.

  • Organic Growth

    Achieve growth and protect plants with less chemical input. Horticultural Alliance products easily combine with other products and enhance a plant’s natural processes to achieve results.

what we offer

Horticultural Alliance offers innovative, solution-driven products to strengthen the business of our customers in the landscape, arbor, turf, nursery, and agricultural markets. We follow nature’s own systems to energize growth, promote vitality, and reduce water demand.

Our business stems from a bedrock of scientific study and decades of experience helping agriculture professionals across the globe solve complex problems. Our category knowledge, combined with cutting-edge biostimulant products, has created exciting results for our customers across landscaping, nursery and greenhouse applications.

Natural Ingredients, Safer Environment
Reduces Transport and Transplant Stress

Energize Nature!™ with organically sound growth promoting products from Horticultural Alliance.

OUR PRODUCTS ARE:

  • Natural - Using our products keeps the surrounding area safe for children and pets, while giving the plant the boost it needs to thrive in its new environment.
  • Innovative - Building on core amino acid-based biostimulants, we uniquely incorporate Mycorrhizae fungi, Trichoderma fungi, beneficial bacteria, and other ingredients to result in both economic and safe products for our customers.
  • Environmentally-friendly - Our X technology helps plants lock in water, requiring less water and maintenance and reducing the amount of labor and input required to produce healthy plants.
  • Fresh - Our products are created in small batches that guarantee freshness for optimal growing results.
  • Reliable - Founded in 1997, our business benefits from decades of targeted experience in niche agricultural products and customer applications.
  • Sustainable - Using naturally-occurring ingredients results in a healthier plant that is more resistant to pests and requires less chemical input

Customers we serve:

LANDSCAPING
Natural, complex peptide chain products that nourish from root to foliage to produce happy, healthy plants that are resistant to transportation/transplanting shock and shrinkage.

NURSERY
Multifunctional blends of peptides that rejuvenate soil health to support stronger root establishment, thicker and fuller branches, and stronger pest and fungi resistance for great results.

GREENHOUSE
Our two-fold strategy for greenhouses first energizes your soil with active, beneficial microbials, and then fortifies your plants with complex peptides, bacteria, and other natural ingredients.

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philosophy

Just as energy comes from the sun, our energy as a company comes from our customers. We are innovative, resourceful and driven. And we are always mindful that the real measure of how good we are is the impact that we have on our customer’s bottom line. By focusing on yours, ours is strengthened as well.

TESTIMONIALS:

Before we started using Diehard Transplant we were losing about 30% of our street tree plantings. Since we started using this product we haven’t lost a single tree. Thank you.
-GF Santa Ana, CA
-GF
We've used your product now for over a year. I've been in the business for over 15 years and have never been able to plant trees and walk away the way I can using DIEHARD Transplant. We simply do not lose trees anymore.
-JSOdessa, Florida
-JS
Being a Landscape Architect I am always looking for the edge that will make my project better than the others. With the use of this product (since May 1998) we have less call backs and better looking trees." Thanks for your efforts and superior products.
-COBoca Raton, FL
-CO
Our firm Down To Earth has been using your products for over two years. We being a large commercial contractor install mainly 4" and larger trees. Your products have increased our clients satisfaction, eliminated die-back and reduced fertilizer requirements.
GBJacksonville, FL
GB
We purchased a 50 unit case of DIEHARD Transplant for use with trees plantings around a new office building. We planted 54 trees but only treated 50. We lost all four trees that were not treated with DIEHARD Transplant and only one that was.
CBClearwater, FL.
CB
We move trees and shrubs from 3gal balls all the way to using our 90" tree spade. Die hard has become a must for all B&B applications. We have a stellar survival rate and can really see the difference in root growth.
AnonymousBuyer
Anonymous
To my delight nearly all of the trees that we replanted along county roads were not only alive but were actually established and thriving. I've been doing this type of work for a long time. In these conditions I expect losses. From that moment on we do not plant anything without DIEHARD Transplant. Thank You.
PSVenice, FL
PS
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DH Turf Sod Pack
DIEHARD Sod Pallet Pack is formulated to be used as a soil amendment treatment for establishing turf grass root systems with live beneficial mycorrhizal fungi.
DH Trans
DH Trans
DIEHARD Transplant is used as a back-fill soil amendment to inoculate landscape plants when planted and “energize” the microbial activity in the ground. This One-Time Application Jump-starts Mother Nature and results in quick root establishment with less transplant shock.
DH Ecto Inject
DH Ecto Inject
“The Industry’s first complete Ecto Injectable Inoculant” DIEHARD Ecto Injectable is an Ectomycorrhizal inoculant with numerous other ingredients for root injection and soil drench. Use with Alder, Aspen, Basswood, Beech, Birch, Chestnut, Chinquapin, Cottonwood, Eucalyptus, Fir, Hemlock, Hazelnut, Hickory, Larch, Oak, Pecan, Pine, Poplar Spruce, and Willow.
DH Complete
DH Turf Sod Pack
DIEHARD Complete Organic: All-in-one mycorrhizal inoculant offers a product appropriate for use in plantings that benefit from the same DIEHARD™ cocktail but with less gel polymer. DIEHARD Complete Organic is used in planting flowers, turf and vegetables; including applications for vertimulch, nursery/greenhouse, and soil or bed amendments. Complete energizes the soil to create faster growth and early colonization, and results in quick root establishment with less transplant shock.