The Growology 3-Step System Our Growology fertilizers are a result of our desire to offer you a superior product that's easy to use and that can produce excellent results when used properly. Drawing on years of experience in plant nutrition, we've created water-soluble formulas that use the most sensible and agronomically viable combination of organic and non-organic ingredients to improve a grower's yield by bringing each plant to its healthy maximum. Every ingredient we use has been thoroughly tested and has a long history of proven results. Among these ingredients are mycorrhizae, an organic fungus that increases a plant's root mass and enhances its uptake of nutrients; magnesium for chlorophyll production and to facilitate photosynthesis; and both sulfated and chelated minor elements to provide your plants with the minerals they need to thrive. The Growology family of products enables your plants to grow stronger and to be better able to resist pests and diseases.

Growology Sample Pack

Want to try a small run? We'’ve created a sample pack so you can try our Growology system without spending a lot. Each pack contains all three steps - enough of Step 1 to mix with 5 gallons of soil (or other growing medium) and enough of Steps 2 and 3 to dissolve in 10 gallons of water each. And it'’s only $20 including shipping.

 

Before ordering, please read our terms and conditions.

Step 1 | for seedlings and new clones

50/50 Starter Mix

Analysis Details

Step 1 | Guaranteed analysis

  • Humates: 50%
  • Mycorrhizae: 50%

Growology Step 1 is added to the soil in which new plants start their life. It's a blend of humates and a beneficial mycorrhiza, which is a fungus that grows around the young plant's roots to increase water and nutrient uptake throughout the plant's life cycle. Step 1 provides what a new plant needs to get off to a strong start.

Directions: Thoroughly mix 1 tablespoon with 1 gallon of soil or whatever growing medium you use. (That's 1/3 cup for a 5-gallon container.) That's all you do - the mycorrhizae and humates do the rest. (Don't use Step 1 for hydroponic growing.)

 

Before ordering, please read our terms and conditions.

Step 2 | For Growing Plants

20-5-10

Analysis Details

Step 2 | Guaranteed analysis

  • Total Nitrogen (N) 20%
  • Available Phosphate (P2O5) 5.0%
  • Soluble Potash (K2O) 10%
  • Magnesium (Mg) 3.0%
  • Boron (B) 0.02%
  • Copper (Cu) 0.05%
  • Iron (Fe) 0.10%
  • Manganese (Mn) 0.05%
  • Molybdenum (Mo) 0.0005%
  • Zinc (Zn) 0.05%

Step 2 is for a plant's vegetative stage. Its main ingredients are essential nitrogen, phosphate, potassium, and micronutrients in proportions that are ideally suited for all varieties to thrive, flourish, and grow.

Directions: Thoroughly dissolve 1 tablespoon in 1 gallon of water. Use it every time you water your plants while they're in their vegetative phase.

 

Before ordering, please read our terms and conditions.

Step 3 | For Flowering

10-30-10

Analysis Details

Step 3 | Guaranteed analysis

  • Total Nitrogen (N) 10%
  • Available Phosphate (P2O5) 30.0%
  • Soluble Potash (K2O) 10%
  • Magnesium (Mg) 3.0%
  • Boron (B) 0.02%
  • Copper (Cu) 0.05%
  • Iron (Fe) 0.10%
  • Manganese (Mn) 0.05%
  • Molybdenum (Mo) 0.0005%
  • Zinc (Zn) 0.05%

Your flowering plants need the same elements found in Growology Step 2, but in very different proportions. Step 3 provides the mature plant with precisely what it needs to reach its healthy maximum.

Directions: When the plant enters its flowering phase, switch to Step 3 and use it just like you used Step 2: thoroughly dissolve 1 tablespoon in 1 gallon of water. Then use it every time you water your plants. (We recommend flushing your plants for 10 to 14 days prior to harvest.)

 

Before ordering, please read our terms and conditions.

1-2-3 Bundle Discount

You can use our products separately, but your plants will be especially grateful if you use all three. So we'll give you a special discounted price if you order steps 1, 2, and 3 together.

 

Before ordering, please read our terms and conditions.

Please contact us for information about discounts for larger orders.

Terms & Conditions

Orders from Rhode Island are required to pay the state's 7% sales tax.

    Domestic (within U.S.) shipping and handling costs:
  • Large bag single orders: $14.35
  • Large bag 1-2-3 Bundle: $31.20
  • Small bag single orders: $14.35
  • Small bag 1-2-3 Bundle: $18.85

Please ask for a quote for international shipping.

Orders are processed through PayPal for your security. We will not have access to your credit card information.

Orders are shipped in standard U.S. Postal Service boxes with no indication of the contents on the outside of the box.

Please contact us for information about discounts for larger orders. We would be happy to hear from you.