Granular or Powdered Fertilizers & Amendments

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Neptune's Harvest Crab & Lobster Shell Pieces are an excellent dry organic plant food containing Nitrogen (5%), Phosphorous (3%), Calcium (17%), Magnesium (1%) and other essential micronutrients. Crab & Lobster Shell Pieces will keep your lawn, landscape plans and shrubs, and gardens healthy. High calcium fertilizers have been shown to benefit bulbs and flowers too! Additionally, the high level of calcium in Crab Shell helps to raise the pH of acidic soils, making it a great compliment or substitute for mined lime products.

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OMRI Listed

Neptune's Harvest Organic Kelp Meal 1-0-2 is made with the North Atlantic Seaweed (Kelp) Ascophyllum Nodosum, which is widely recognized as one of the finest marine plants available for agriculture today. Kelp Meal is a natural and cost effective enhancement to any soil fertilization and conditioning program. It is suitable for all crops and applications, and can be mixed with most soil conditioners and fertilizers. It can also be incorporated into potting soils, seed and transplant beds, as well as composting material. Kelp Meal contains a wide array of micro and macro nutrients, minerals, carbohydrates and amino acids. Kelp Meal will add organic matter to your soil, enhance healthy root growth and help soil retain moisture. Kelp Meal will keep lawns healthy and green, even through drought periods.

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Greensand is a natural soil amendment for vegetable, fruits, herbs, lawns, ornamentals and all types of trees and shrubs for centuries. Greensand occurs naturally in marine sedimentary deposits and is composed primarily of the blue-green siliceous mineral glauconite.  Greensand is great for nutrient dense and regenerative growers or any growing need.  

*NOTE: Pallets and bulk orders are available, please call (866) 299-5165 for pricing and estimates.  Our experts will personally work with you on larger orders to reduce product and shipping costs.  

McGeary Organics 8-0-0 Corn Gluten Meal Fertilizer is a fertilizer made with natural corn gluten. Corn Gluten is amongst the highest natural nitrogen source that provides a great green-up product for lawns when applied in the spring.

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Blood Meal 12-0-0 consists of natural, non-salt based nitrogen to encourage leaf growth on vegetables. Blood Meal is 100% water soluble and provides nitrogen for soil biology to promote plant growth.

An alternative to blood meal as a source of nitrogen and is nicely balanced with phosphorus, potassium and a host of micronutrients. Its carbohydrates and protein make it an excellent, slow-release nutrient mix and soil conditioner that improves soil structure, soil water-holding capacity and encourages microbial activity. 

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Encourage 11-0-4 is a great way to naturally boost nitrogen for plants, turf and trees when needed for stronger, faster growth.  Encourage 11-0-4 contains a natural complex of Amino Acids, Nitrogen, and Potash combined with powerful plant and soil stimulants, including soluble humate extract, soluble seaweed extract, and soluble yucca extract. Encourage 11-0-4 is a valuable addition to a well-balanced nutrition program for all types of plants.

Encourage can be combined with HyphaLink Nourish for a complete macro-nutrient and micro-nutrient fertilizer program.

Diamond K UltraFines Sulfur of Potash Potassium 0-0-50 (plus 17% Sulfur) is a soluble powder to address potassium deficiencies and is a vital nutrient for cell wall strength and plant, tree and turf vigor. Crops can use as much as 250 Pounds of Potassium per acre per year, making Potassium first runner up in abundance needed for plants and turf to thrive. You can apply it as a supplement or other natural blended materials to aid in soil deficiencies. Potash also adds vital calcium, magnesium, and sulfur.

Read about the importance of Potassium & Sulfur in plants by CLICKING HERE.

Potash Potassium 0-0-50 (plus 17% Sulfur) is a granular fertilizer is a vital nutrient for cell wall strength and plant, tree and turf vigor. Crops can use as much as 250 Pounds of Potassium per acre per year, making Potassium first runner up in abundance needed for plants and turf to thrive. You can apply it as a supplement or other natural blended materials to aid in soil deficiencies. Potash also adds vital calcium, magnesium, and sulfur.

Hum-Amend MAX Benefits

• Enhances soil organic matter naturally.
• Provides essential soil micronutrients.
• Feeds soil biology to provide a longer-lasting and quicker acting soil building program.
• Homogeneously blended prills (pellets) for a convenient granular application.

Hum-Amend MAX Application Instructions

• Use Hum-Amend MAX at a general rate of 5 lb. of product per 1,000 square feet for turf, landscape bedding or in agriculture. Only 1 application per year is necessary.  For sandier soils with lower organic matter or Cation Exchange Capacity (CEC), 10 lb. of product may be used per 1,000 square feet.
• For crops, apply 1 lb. per 100 square feet of row area (or 150-300 pounds per acre) at the time of planting n conjunction with your normal fertility.
• For potting mixes, incorporate 15-25 lb. of Hum-Amend MAX per cubic yard of potting mix.

Hum-Amend MAX Ingredients

• Raw Leonardite (min. 85% humic acids).
• Soluble Humate Extract.
• Raw Kelp Meal.
• Soluble Seaweed Extract.

Hum-Amend MAX Available Sizes & Coverage

• 15 lb. Bag (Covers 3,000 square feet).
• 45 lb. Bag (Covers 9,000 square feet).
• Pallet of 45x 45 lb. Bags (Covers 9.3 Acres).

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