Available in 4 sizes

2OZ, 8OZ, 5LB, 20LB

Develop root systems and improve nutrient cycling

Formulated specially for Hawaiian soils, Down To Earth’s Hawaiian Root Growth Enhancer is a combination of Endomycorrhizal and Ectomycorrhizal Fungi plus Trichoderma designed to benefit a diverse selection of plants, trees and shrubs. These microscopic soil organisms are critical for developing expansive root systems, improving nutrient cycling and soil structure and protecting against a variety of plant stresses including drought and environmental extremes. This easy to use, granular formula will aid in dramatically increasing root growth for more vigorous plants and trees.


Endomycorrhizal fungi: Glomus intraradices, G. mosseae, G. etunicatum, G. clarum, G. monosporum, G. deserticola, Gigaspora margarita — 17.5 prop/gm each (55,000 prop/lb. total)

Ectomycorrhizal fungi: Pisolithus tinctorius — 240,000 prop/gm (108 million prop/lb. total)

Trichoderma: Trichoderma harzianum — 82,000 CFU/gm (37 million CFU/lb. total)

99.9% Inert Ingredients

DTE™ Granular Root Growth Enhancer can be applied directly under seeds, cuttings and transplants or blended into potting mixes. The objective is to ensure physical contact between the roots and the inoculant.

Vegetable Gardens & Flower Beds

Mix 2 lbs. per 100 square feet and thoroughly mix into top 3″ of garden soil. When seeding, apply 1 tsp. per row foot in furrow. For transplants, apply ¼ tsp. directly under transplant roots.

Containers & Houseplants:

For new plantings, mix ¼ lb. (1/2 cup) per cubic foot of potting soil or 3-5 lbs. per cubic yard. For established plants, mix 1 tbsp. per gallon of soil when transplanting.

Trees, Shrubs & Vines:

Apply 2-4 tbsp. per 1″ of stem caliper directly to plant roots or mixed into soil in prepared transplant hole.

Store this product between 40 F and 85 F degrees. Avoid temperatures in excess of 140 degrees F.