Natural & Organic Fertilizers to Help You Succeed

Whether you are a golf course superintendent, a lawn care operator or the manager of a farming operation, sports complex or nursery, you know that soil and plant nutrition can make the difference between failure and success. With Nature Safe, you can be assured that you have access to the most extensive dry pelleted product offering with the highest nitrogen content in a slow release organic commercial fertilizer. On this page, you can find detailed information on our various products.

Contact us for custom blend organic fertilizer options.


5-6-6 Starter Fertilizer

5-6-6 Starter Fertilizer is a 100% all-natural and organic homogeneous fertilizer designed for the development of deep, healthy roots. A slow release, non-burning fertilizer, it contains humus that conditions the soil and increases water retention. This product also helps plants buffer salts and minimizes leaching. 5-6-6 is an OMRI-listed product.

7-12-0 Organic Fertilizer

7-12-0 Organic Fertilizer is designed to deliver a fertility package with primary and secondary nutrients ideal for lawns, landscapes and organic crops. Nature Safe 7-12-0 consists of various proteins such as meat, bone and blood meals that provide slow release nitrogen over an 8-12 week period. 7-12-0 is an OMRI-listed product.

8-3-5 Stress Guard Fertilizer

8-3-5 Stress Guard Fertilizer is an ideal starter fertilizer to amend stressed turf. This formulation is a 100% all-natural and organic homogeneous fertilizer containing primary and secondary nutrients for slow, healthy plant growth. It’s excellent on new turf or during renovation and overseeding. Helps buffer the soil against salt and improves soil structure for heat and drought tolerance. 8-3-5 is an OMRI-listed product.

8-5-5 Landscape Fertilizer

8-5-5 Organic Fertilizer is a 100% all-natural and organic homogeneous fertilizer delivering a balanced fertility package ideal for lawns, landscapes and organic growers. This formulation helps buffer the soil against salt and improves soil structure for heat and drought tolerance. 8-5-5 is an OMRI-listed product.

9-0-9 Nitrogen & Potassium Fertilizer

9-0-9 Nitrogen & Potassium Fertilizer is ideal for phosphorus sensitive applications. This formulation is an all natural and organic homogeneous fertilizer providing a slow, even release of nitrogen. Humus has been added to buffer the soil against extreme salt concentrations and improve soil structure for tolerance during heat and drought conditions.

9-6-1 Organic Fertilizer

9-6-1 Organic Fertilizer is designed to deliver a fertility package with primary and secondary nutrients ideal for lawns, landscapes and organic crops. Nature Safe 9-6-1 consists of various proteins such as meat, bone and blood meals that provide slow release nitrogen over an 8-12 week period. Nature Safe 9-6-1 contains calcium, an essential nutrient for plant and soil health.

10-0-8 Nitrogen & Potassium Fertilizer with Ocean Organics® Kelp Extract

10-0-8 Nitrogen & Potassium Fertilizer with Ocean Organics® Kelp Extract is formulated as a highly concentrated fertilizer well suited for soils with nitrogen and potassium deficiencies.

10-2-8 All-Season Fertilizer

10-2-8 All-Season Fertilizer is a 100% all natural and organic homogeneous fertilizer that is well suited for soils with nitrogen and potassium deficiencies. This formulation enhances root and shoot stability with controlled plant growth. 10-2-8 is an OMRI-listed product.

12-0-6 Ammonium Sulfate Fortified Fertilizer

12-0-6 Ammonium Sulfate Fortified Fertilizer is designed for use when immediate color and growth are desired, along with the natural release of high-quality proteins. It is ideal for high-pH soils, but also performs well on all soil types. This product will jump-start your turf in the spring and also help revive turf in the early fall, after the hot summer stress periods. The slow-release organic proteins will build up a long-lasting, slower feed for development of deep roots.

12-2-6 Ammonium Sulfate Fortified Fertilizer

12-2-6 Ammonium Sulfate Fortified Fertilizer is a homogeneous fertilizer designed for multiple applications during grow-in situations. This formulation promotes growth and vigor in spring and fall for warm-season grasses. Also improves the management of patch disease problems. 

13-0-0 Blending Base Fertilizer

13-0-0 Blending Base Fertilizer is a homogeneous product designed to expand organic fertility options as a nutritional supplement with other fertilizer ingredients. An excellent foundation product for higher volume areas. 13-0-0 is an OMRI-listed product.

15-0-1 Hi-Sol Nitrogen

15-0-1 Hi-Sol Nitrogen is the highest concentrated, unrestricted use organic certified, dry-flowable product on the market. The 15-0-1 is an ideal tool to spoon feed organic nitrogen applications for organic growers, nurseries and turf through irrigation systems, drip lines, spray tanks or pivots. 15-0-1 is an OMRI-listed product.

16-0-2 with Ammonium Sulfate and Stabilized Nitrogen

Nature Safe’s 16-0-2 is a unique blend of three distinct nitrogen sources. The product is based on the slow-release organic nutrition provided by our high-quality animal proteins. In addition, ammonium sulfate is incorporated into the organic base to improve both color and growth response. Lastly, the product blends stabilized urea into the formulation to further improve the initial 45-day fertility response and reduce nitrogen volatility. The organic ingredients will deliver a slow and consistent release for 8 weeks. Nature Safe 16-0-2 is a cost-effective solution for lawn care, municipalities, sports turf, golf courses and other turf applications.

18-0-4 Blended with MESA®

This product is a blend of Nature Safe and MESA® 34-0-0, a patented, controlled-release nitrogen product, containing methylene urea comprised of varying lengths of methylene urea polymers and ammonium sulfate. Through this combination, the methylene urea continuously releases nitrogen through the 16th week after application. This product combines the consistent and sustained feeding of methylene urea and the color response and quick release of ammonium sulfate and urea, along with the organic nutrition of Nature Safe, providing optimum soil and plant nutrition.

21-3-7 Blended with UFLEXX™

21-3-7 Blended with UFLEXX™ is a blend of Nature Safe and UFLEXX stabilized nitrogen. The Nature Safe component of proteins provide slow-release nitrogen to the plant for 7-8 weeks. UFLEXX is a combination of urea, a urease inhibitor and a nitrification inhibitor that provides nitrogen over 6-8 weeks. This formulation is a low-cost alternative for fairway, landscape and lawncare applications. 

27-0-2 Blended with UFLEXX™

27-0-2 Blended with UFLEXX™ is a blend of Nature Safe and UFLEXX stabilized nitrogen. The Nature Safe component of proteins provide slow-release nitrogen to the plant for 7-8 weeks. UFLEXX is a combination of urea, a urease inhibitor and a nitrification inhibitor that provides nitrogen over 6-8 weeks. This formulation is a low-cost alternative for fairway, landscape and lawncare applications.