Down to Earth organic fertilizers at the GreenTree Garden Supply retail store.

GreenTree Garden Supply offers an extensive line of natural fertilizers for vegetables. We have all-purpose blends for general gardening use, as well as single ingredient fertilizers for gardeners looking for more precise control over their soil. We’re proud to carry the best organic fertilizers from these suppliers:

Down to Earth Fertilizers

Down to Earth has been dedicated to producing high-quality fertilizers with natural ingredients since opening in 1977. Down to Earth fertilizers are OMRI Listed. Their products are made with carefully sourced natural ingredients, ensuring that their soil amendments are environmentally friendly and consumer-safe. GreenTree Garden Supply stocks these products in small compostable boxes that are ideal for home gardeners. We carry their popular All-Purpose Mix (4-6-2) alongside their Vegan Mix (3-2-2), as well as these single-ingredient amendments:

Azomite (0-0-0.2) ♦ Alfalfa meal (2.5-0.5-2.5) ♦ Blood Meal (12-0-0) ♦ Bat Guano (0-7-0 and 9-3-1) ♦ Bone Meal (3-15-0) ♦ Crab Meal (4-3-0) ♦ Kelp Meal (1-0.1-2) ♦ Feather Meal (12-0-0) ♦ Fish Bone Meal (3-16-0) ♦ Oyster Shell

Visit the Down to Earth product page for more information.

North Country Organics Fertilizers

North Country Organics has been making commercial-grade organic fertilizers since 1983. We carry these products in 50lb bags, sized for large-scale applications -- lawns, fields, landscaping, and agriculture. We sell the following North Country Organics products:

Pro-Gro 5-3-4 (OMRI) ♦ Pro-Start 2-3-3 (OMRI) ♦ Pro-Booster 10-0-0 ♦ Greensand (OMRI) ♦ Natural Sulfate of Potash (OMRI)

Visit the North Country Organics product page for more information.

Neptune’s Harvest

Neptune’s Harvest Fertilizer is made from the organic byproducts of the seafood industry. Produced by Ocean Crest Seafood, Neptune’s Harvest turns the leftovers from fish processing that would otherwise become waste -- bones, scales, and skin -- into high-quality plant fertilizer. We carry their Hydrolyzed Fish Fertilizer (2-4-1) in the GreenTree Garden Supply store, in 1-quart and 1-gallon sizes.