Bagged Soil Amendments

Soil amendments are added to soils to improve their physical, biological or chemical properties. Soil amendments may also add nutrients to the soil as well. Viragrow uses many of these soil amendments in their soil mixes. You can purchase your own soil amendments and use them to make your own custom soil mix. Let Viragrow mix it for you!

Cottonseed Meal      5-2-1 15 lb.                                            SOLD OUT                        

Cottonseed meal is a slow release, complete fertilizer as well as a soil amendment which adds organic matter back to the soil. Cottonseed meal has an acidic reaction in the soil which helps reduce alkalinity. Cottonseed meal is the recycled residue from ginning cotton and has been used by organic growers successfully for decades. Cottonseed meal is an excellent choice for summer fertilizing roses, camellias, azaleas, vegetables and flower beds.

Incorporate 10 to 15 lb. per 100 square feet. Sidedress vegetables with 5 lbs. per 100 foot row.

Use for:

  • Increasing soil acidity
  • Summer slow release fertilizer application
  • Organic fertilizer and soil amendment

EZ Green Soil Amendment and Fertilizer       1 cubic foot/50 lb

OMRI Listed

100% Composted Chicken Manure

E Z GREEN has been favored by professional growers in Southern California for over 30 years.

E Z GREEN is a low odor, composted organic soil amendment and fertilizer made from chicken manure that contains both major and trace elements. E Z GREEN has been listed by the Organic Materials Review Institute (OMRI) for use in organic production.

E Z GREEN® is a stable, low odor composted soil amendment that will not burn crops and plants when used as recommended.

Use for:

  • Soil amendment for new lawns
  • Soil amendment for gardens and raised beds
  • Soil amendment for soil mixes
  • Organic fertilizer for lawns, gardens, fruit trees, flowers and ornamentals
  • Topdressing lawns

GardenMAX       1 cubic foot/37 lb bag

Premium Soil Amendment

This is a ‘Fix It’ solution if your garden is not producing like it should. GardenMAX™ is powered by BioLife Complex™ which targets depleted and declining soils to revitalize the natural growth cycle. Beneficial microbes, trace elements, pH conditioners restore the natural balance in the soil. Apply it to the top of the soil and water-in to activate or mix it with the soil when replanting. 

1 bag covers 50 square feet.

Use for revitalizing garden soils that have become unproductive over time.

GardenMax website for more information.

Gypsum     40 lb. 15% Sulfur                                                                            

Gypsum soil amendment improves drainage in soils high in exchangeable sodium. High sodium content in soils causes applied water to puddle and drain poorly. Gypsum mixed into the soil and irrigated increases the calcium content of soils and aids in removing sodium. Removal of sodium improves plant growth, plant health and soil drainage.

Soil and plant improvement:

Apply approximately 40 pounds of gypsum every 200 square feet and mix into the top 4 to 6 inches. Irrigate the soil to remove sodium. To determine the exact amount of gypsum needed for large areas requires a professional soil test.

Use for:

  • Adding calcium to soils
  • Neutral pH
  • Removing excess sodium from soils
  • "Soften" soil made hard by the presence of sodium salts

Kelp Meal    3 and 55 lbs                                                                         

Viragrow’s is processed using Kelpcold water, preserving as much of the product in its natural form as possible. Incorporate Viragrow’s sea kelp into the soil as a dry product and watered in or extracted as a tea for liquid applications to the soil or as a foliar spray directly on plants.

Soil amendment:

Use 1 pound of sea kelp every 100 square foot of soil or 100 foot of row and incorporate to a depth of 4 to 6 inches. As a soil amendment use in a ratio of 1lb of sea kelp every 3 cubic yards of soil.


Use 1 to 2 tbs per gallon of water and seep for 24 hours. Apply within 24 hours. Use as a drench or apply to the foliage with a good quality wetting agent.

Use for:

  • Organic Fertilizer
  • Stimulating Soil Microorganisms
  • Adding Natural Chelates
  • Improving Biological Properties of Soil

Organic Magic   30 lb     Approved for Organic Farming                                        

Organic Magic is a soil additive used in organic farming that is water soluble and quickly lowers alkalinity or pH of a soil or soil mix. This eliminates the need for sulfur and maintains the organic status of your growing beds or garden.

Use in alkaline soils for growing specialty plants requiring a low soil pH such as gardenias, camelias, and others as well as small fruits such as blueberries.

Use 1 pound per 20 foot row or one bag for 1000 square feet.

Soil Sulfur     4 & 20 lb.                                                                                     

Sulfur is a plant macronutrient: it is needed by plants in large amounts, particularly during development. Soil sulfur is applied to soils to reduce alkalinity (pH) and enhance plant uptake of minor elements such as iron, manganese and zinc. Soil sulfur can also be used in place of gypsum for removing sodium and improving drainage if soils have a high lime content. Apply it to warm, moist soils for faster reaction due to soil microorganisms and the lowering of soil pH.

The amount to apply depends on the soil but generally is from 2 to 5 pounds per hundred square feet.

Use for:

  • Supplying sulfur fertilizer to plants
  • Lowering soil pH
  • Removing excess sodium from soils
  • Substitute for gypsum in calcareous soils
  • "Soften" soils made hard by the presence of sodium salts

Sphagnum Peat Moss    2.2 & 3.8 cubic foot  

Sphagnum peat moss is a natural product and represents over a hundred different mosses and is harvested from peat bogs. Sphagnum peat moss is used in soil mixes to increase aeration, water retention, lower alkalinity (pH) and retain nutrients (increase cation exchange capacity). This can be particularly useful in sandy soils or soil mixes that contain perlite or alkaline soils.

Sphagnum peat moss is used on golf courses, floral arrangements, for hanging baskets liners, orchid production, potting mixes, mushroom cultivation, carnivorous plants such as Venus fly trap, sundews and pitcher plants. It is also used for filtration and fungicidal and bactericidal properties.

Use for:

  • Lowering soil pH
  • Improving soil moisture holding
  • Improving drainage in soil mixes
  • Improving soil aeration

TurfMAX        1 cubic foot/37 lb bag

Premium Soil Amendment

Sometimes your lawn just isn’t growing like it should. TurfMAX™ Soil Treatment is a ‘Fix It’ solution for your lawn. Apply it to the top of freshly mowed grass or under new sod and water‐in to activate.

1 Bag covers 50 square feet

Use for revitalizing soils that have become slowly depleted over time. 

Viragrow Super Sacks        1 cubic yard                                                                       $10.00 

If you need to haul a cubic yard of bulk material you might want to consider purchasing one of our super sacks. It will fit in the back of your pickup and you or your neighbors can use it again! Or bring it back for in-store credit toward your next purchase.

Used Pallets                                                                                                    $20.00 

Yes, we have used pallets and we sell them at a ridiculously low price. 

Use for:

  • Gardening
  • Vertical gardens
  • Garden furniture

Let your imagination run WILD!