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  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
Agriculture & Specialty Agriculture

Agriculture & Specialty Agriculture

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UltraBio - Mycorrhizae, Beneficial Bacteria, Bio-inoculant + Amino Acids & Peptides + Humates

Ultimate biostimulants & biological inoculant for soil health
from $29.00
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Cytoplex - Plant Hormone Supplement, kelp, auxins, gibberellic acid (1 Gal.)

Natural plant hormone growth regulator
$178.00
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Peptide SP, 13% N, Protein Hydrolysate, Amino Acid, Peptide Biostimulant

Protein biostimulant with available organic nitrogen
from $24.00
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Cytokin - Natural plant growth regulator, sea plant extracts (1 Gal)

Natural seaweed-based growth regulator
$169.50
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SeaBio K-14%, Soluble Seaweed Extract, biostimulants, water soluble

Premium seaweed extract with 14% potassium plus amino acids
from $22.00
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HumuSoil- Humic acid, Fulvic acid, from leonardite soluble powder

Restore your soil with 80% humic acid soil conditioner
from $22.00
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CropSIL - silicon (Si) based biostimulant, (32oz)

Supercharge your spray medium
$98.70
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StressAid 7-0-4 protein hydrolysate biostimulant, humic/fulvic acid, seaweed extract

All-in-one stress management biostimulant
from $24.00
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CropSil - silicon (Si) based biostimulant. (8oz)

Supercharge your spray medium
from $29.99
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Sugar Express 4-10-40 , + Kelp, + Micro Nutrients, water soluble (5lb)

water soluble fertilizer - Pre-harvest finisher for ripening crops
$49.95
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Nutrient Express 18-18-18, water soluble fertilizer. (5lb)

Complete soluble fertilizer for growth
$49.95
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Microplex-water soluble Micro Nutrient fertilizer. (5lb)

Complete chelated trace mineral supplement water soluble fertilizer
$58.00
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Nutrient Express 18-18-18 water soluble fertilizer (25lb)

Complete soluble fertilizer for growth
$134.75
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Sugar Express 4-10-40, + Kelp, + Micro Nutrients (25lb)

water soluble fertilizer - Pre-harvest finisher for ripening crops
$134.75
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Millerplex 3-3-3, kelp-based balanced fertilizer (1Gal.)

Kelp-based balanced fertilizer for crops
$108.00
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Greenstim 2-8-14, natural plant fertilizer extracts (2.5Gal.)

EDTA foliar nutritional supplement
$255.00
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Regenerative Agriculture Starts With Healthy Soil

HardyGro offers agricultural biostimulant fertilizer that help growers sustainably increase nutrient availability, facilitate nutrient uptake, mitigate crop stress & maximize yield potential. A healthy microbial community is essential to building healthy soil and healthy plants. Growing and feeding your microbes with HardyGro biostimulant fertilizer and soil microbe inoculants will provide your soil with a rich "microbe" diet. Biostimulant fertilizers and soil microbe inoculants are a cost-effective way to keep your microbes alive, flourishing, and working for you. HardyGro biostimulant fertilizers and soil microbial inoculants promote productivity and crop quality by balancing the synergy between plants and soil.

Why Choose HardyGro for Agriculture?

  • Maximize Nutrient Uptake with bio-available formulations
  • Promote Microbial Activity to regenerate your soil biology
  • Improve yield and quality of all crops
  • Improve Crop Resilience to drought, salinity, and disease
  • Support Organic & Regenerative Standards with eco-safe inputs

Our soil-first philosophy helps growers build long-term fertility while delivering better crop quality and yield. Choose HardyGro to make your farm more productive—and more sustainable.