Organic fertilizer is an excellent way to achieve a healthy lawn and soil – free of harsh chemicals and safe for kids and pets.

Fast

Slow

Release rate

Granular

Delivery method

N (4)

N (6)

N (7)

N (10)

N (20)

Nitrogen

P (0)

P (1)

P (4)

Phosphorus

K (0)

K (2)

K (4)

K (5)

Potassium

Summer stress

Winterization

Maintenance

Goal

Emergent type

Organic

Synthetic

Iron

Manganese

Zinc

Micronutrients

Sulfur

Calcium

Macronutrients

Milorganite

Milorganite is a slow-release Nitrogen fertilizer good for promoting the healthy growth of lawns, trees, shrubs, and flowers. The non-burning slow-release nitrogen feeds for up to 10 weeks and the iron delivers a long-lasting green. 

Amazon

The Andersons

The Andersons 7-1-2 Innova Premium Organic Fertilizer is 100% plant-derived that delivers nitrogen, phosphorus, potassium, and amino acids in a slow-release formula, and provides extended feeding without the risk of over-applying or burning your lawn.

The Andersons 7-1-2 Innova Premium Organic Fertilizer

Purely Organic Products

Lawn Food 10-0-2 from Purely Organic Products is made of natural ingredients, like distillers grains and soy; and it's specially formulated to provide the nutrients needed to promote a lush, green lawn for you and your family.

Purely Organic Products Lawn Food 10-0-2

Home Depot

Kellogg Garden Organics

Kellogg Garden Organics Lawn Food is perfect for creating a thicker, greener lawn. Made from organic, all-natural ingredients, it feeds the soil, helping reduce thatch, develop a deep root system and add important nutrients to your lawn.

Kellog Organic Plus Lawn Food

Protene

Protene Performance Fall Fertilizer is a granular fertilizer designed to help your lawn prepare for winter. It contains 20-0-5 nutrients, plus potassium and chelated iron, which help to strengthen the turf and improve color. Protene Performance Fall Fertilizer utilizes a proprietary sustained-release technology that provides a constant nutrient input to the turf over a 90-day period. 

Protene Performance Fall Fertilizer

GCI Turf Academy

Protene Performance Winter Fertilizer is a granular fertilizer designed to help your lawn survive the winter. It contains 19-0-19 nutrients, plus potassium and chelated iron, which help to strengthen the turf and improve color. Protene Performance Winter Fertilizer utilizes a proprietary sustained-release technology that provides a constant nutrient input to the turf over a 90-day period. 

Protene Performance Winter Fertilizer 

Protene Performance Summer Fertilizer is a granular fertilizer that is designed to keep your turfgrass healthy during periods of stress. It contains 12-0-24 nutrients, plus potassium and chelated iron, which help to improve color and strength. Protene Performance Summer Fertilizer utilizes a proprietary sustained-release technology that provides a constant nutrient input to the turf over a 90-day period. 

Protene Performance Summer Fertilizer

Protene Performance Spring Fertilizer is a granular fertilizer that is designed to help lawns and turfgrasses grow strong and healthy during the spring months. It contains a balanced blend of nitrogen, phosphorus, and potassium, as well as other essential nutrients, to promote vigorous growth and deep green color. It also utilizes a proprietorially unique homogeneous granular technology that helps ensure all essential nutrients are made available over a 90-day period.

Protene Performance Spring Fertilizer 

Organic fertilizers