Skip to content
  1. Happy Holidays from HardyGro!
  2. Better Soil, Better Plants, Better Life!
  3. Whatever you grow will grow better with HardyGro
  4. Happy Holidays from HardyGro!
  5. Better Soil, Better Plants, Better Life!
  6. Whatever you grow will grow better with HardyGro
Granulated UltraBio, Soil Microbes, Humic Acid, 2lb Shaker
Granulated UltraBio, Soil Microbes, Humic Acid, 2lb Shaker
Granulated UltraBio, Soil Microbes, Humic Acid, 2lb Shaker
Granulated UltraBio, Soil Microbes, Humic Acid, 2lb Shaker
Granulated UltraBio, Soil Microbes, Humic Acid, 2lb Shaker
Granulated UltraBio, Soil Microbes, Humic Acid, 2lb Shaker
Granulated UltraBio, Soil Microbes, Humic Acid, 2lb Shaker

Granulated UltraBio, Soil Microbes, Humic Acid, 2lb Shaker

Sale price $29.00

UltraBio Contains Natural Biologicals for Healthy Soil

Significantly improves overall soil health and vitality. Fortifies soil rhizosphere and stimulates root growth

Size
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • Shop Pay
  • Visa

Benefits

  • Keeps your soil alive and thriving
  • Super food for soil microbes
  • Stimulates root growth
  • Enhances growth & vigor
  • Reduces transplant shock
  • Excellent soil amendment for all purpose use
Contains:  Mycorrhizae, Trichoderma, Beneficial Bacteria of Bacillus, Amino Acids & Peptides, 
Organic Nitrogen, Calcium, Sulfur 

Usage Instructions

HOW TO USE IT:
Microgranule intended to be mixed into the soil near rooting area. Use as a soil amendment and a microbe feeding source. It can be mixed in the soil substrates prior or post planting.


HOUSE, FLOWERS AND POTTED PLANTS: When planting use 3-5 shakes (1/2 teaspoon) in rooting area of soil.
ESTABLISHED PLANTS: 5-8 shakes (1 teaspoon) once every 3-4 weeks.
LARGE PLANTS (3+gallon containers): 1-2 teaspoons every 3-4 weeks.
POTTING SOIL SUBSTRATES: Thoroughly mix into soil at the rate of:
- 1 oz. per every cubic ft. of soil/potting mix.
- 1 lb. per every cubic yd. of soil/potting mix.
OUTDOOR LANDSCAPE PLANTS: Work into mulch/soil within the drip line
1/2 - 1 cup depending on plant size (water in after application.)
GARDEN PLANTS AND NURSERY BED APPLICATION: Incorporate into soil. Mix 1 to 5lbs. per 1000 sq. ft.
FLOWERS, BEDDING PLANTS, BULBS: Broadcast at the rate of 1 to 5 lbs. per 1000 sq. ft.
TREE & SHRUB TRANSPLANT: Apply 3 oz. for every 1 gal. of root container. Apply to the wall and bottom of hole making direct contact with roots during back fill. Water after application. 
"There is nothing to dislike. Great bang for the buck. Ron at Hardygro is always willing to answer questions if you have any. Great people they are!!"
Brook
"It’s too soon to tell how the garden will grow, but my indoor plants love their new diet."
Catherine
""Great products and reliable supplier with decades of experience in the biologicals and soil and plant food industry.”"
G.Downing
Agronomist
"“Hardygro has been exceptional in delivering quality products. Consistently adding value, making it easy to build trust and grow together.”"
K. Griffith
Ag Buyer
"“We have used Hadygro products for 4 years now. These products are quality, easy to use, and bring us the results we are looking for.”"
L. Dafforn
Corn & Soybean Grower
"“Our experience with Hardygro has always been positive. Quality products, shipped to me. We will continue to use them.”"
L. Nuest
Grower, Moncello, IN
Leave A Review

It All Begins In The Soil

Growth is not just about air, water, and nutrients—it's about where those elements come to life.

That place is the soil. Soil is more than dirt. It’s a living system—a hidden world of microorganisms working in harmony to nourish plants from the roots up. Whether it's Agricultural crops, fruit trees, flowers, vegetables, or even houseplants, all depend on the vitality of the soil beneath them.

At the heart of every thriving plant is a thriving soil microbiome. These unseen allies break down organic matter and deliver nutrients to roots in their most natural, powerful form.We believe in feeding the soil, not just the plant. That’s why we offer soil amendments, bio-fertilizers, and bio-stimulants—to support the living foundation of all growth. Healthy soil. Healthy roots. Abundant life.

Shop All Products Why HardyGro?