Supernatural Gro Terra (20 – 20 – 20) provides your plants with a pure, readily available nutrient profile for fast healthy vegetative and flowering plant growth. Supernatural Terra Fertilizers are pH buffered for soil and soilless mixes requiring no test equipment.

How: Supernatural Terra Fertilizers are pH buffered for soil and soilless mixes requiring no test equipment. Contains the highest quality, technically pure food grade ingredients available. Meticulously formulated with the latest in homogenizing technology to achieve great precision and accuracy.

Why: Contains all the essential macro and micro elements in their proper ratio to force a plant into a specific stage of growth.

Contains allantoin, which is a key component of our proprietary blend. Allantoin is an organic cell proliferant which allows plant cells to divide at lower energy levels, therefore speeding up plant growth and developing earlier and larger flowers.

Supernatural Gro Terra contains higher magnesium levels and lower molybdenum levels required by soil and soilless mixes. Ingredients are so pure; the powders can be run at much lower food strength (ppms) than any other food, resulting in the highest quality fruits, vegetables and flowers.

Guaranteed Analysis
Total Nitrogen (N)……….20%
4 % Ammonia-cal Nitrogen
6.5% Nitrate Nitrogen
9.5% Urea Nitrogen
Available Phosphate (P2O5)……….20%
Soluble Potash (K2O)……….20%
Boron (B)……….0.02%
Copper (Cu)……….0.05%
0.05% Chelated Copper (Cu)
Iron (Fe)……….0.1%
0.1% Chelated Iron
Manganese (Mn)……….0.05%
0.05% Chelated Manganese (mn)
Molybdenum (Mo)……….0.01%
Zinc (Zn)……….0.05%
Chelated Zinc (Zn)……….0.05%
0.05% Chelated Zinc (Zn)
Derived from urea, potassium nitrate, ammonium nitrate, mono-potassium phosphate, mono-ammonium phosphate, borax,copper (CuEDTA), iron (FeEDTA), manganese (MnEDTA), Ammonium molybdate, and zinc (ZnEDTA).


  • Apply Supernatural Gro Terra during vegetative growth. When seeds or cuttings show signs of roots.
  • Dissolve 1 tsp Grow Terra per 4 liters (1 gallon) of water.
  • When room temperatures rise above 85° Fahrenheit, or plants show signs of stress, feed at half strength.
  • Leach plants every 1 – 2 weeks to ensure correct nutrient profile is maintained in your growing medium.

Supernatural Gro Terra 20-20-20

PriceFrom C$29.99
  • 3rd Party Warranties will be honored. At this time, due to COVID-19 we are not taking returns. If you have a problem, please give us a call on 519 326 8681