Fertilizers and Amendments

Healthier soil = healthier plants! We carry many organic certified soil inputs that will provide essential nutrients to your plants, deter pests, and ensure a more resilient future for your garden.

Why organic?

Conventional means of gardening and agriculture are sometimes considered to be damaging to the environment. For example, synthetic fertilizers can contain harmful chemicals that disrupt important soil microbiology. Soil is in fact teeming with life that works symbiotically with plants to ensure proper growth. Microorganisms break down organic material such as dead leaves, and convert it into nutrients that are easier for plants to absorb. Nurturing your soil by using organic methods will promote a healthy growing environment, whereas consistent use of synthetic fertilizers can result in “dead soil” devoid of these microorganisms.

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What does “OMRI Listed” mean?

OMRI is an acronym for the Organic Materials Review Institute, an international nonprofit that certifies soil inputs for use in organic gardening and complies with USDA organic standards.

Other Certifications

Many products we carry are OMRI Listed, though some products hold certifications from other organizations. Some labels you may come across while searching for gardening inputs are outlined below.

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Biodynamic farming principles are similar to those of organic farming. While organic farming doesn’t allow use of herbicides, pesticides, or GMOs, biodynamic farming does the same but goes a step further by focusing on creating a holistic environment that integrates human, animal, and plant interactions to promote sustainable growth.

This label can be found on some of our Malibu Compost products!

The California Department of Food and Agriculture has an Organic Input Material Program that approves fertilizing materials for organic growing, in compliance with USDA organic standards.

The California Department of Food and Agriculture has an Organic Input Material Program that approves fertilizing materials for organic growing, in compliance with USDA organic standards.

The Maine Organic Farmers and Gardeners Association is one of the oldest organic certification bodies. It certifies producers, food products, and gardening inputs. You may see this label on some of our Coast of Maine products!

The Maine Organic Farmers and Gardeners Association is one of the oldest organic certification bodies. It certifies producers, food products, and gardening inputs. You may see this label on some of our Coast of Maine products!

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Coast of Maine is committed to sustainability, and ensures each of their amendments is approved for organic gardening to enhance your soil.

 
Bar Harbor Blend – Organic Potting Soil OMRI Listed1 CF

Bar Harbor Blend – Organic Potting Soil

OMRI Listed

1 CF

Bar Harbor Blend – Organic Potting Soil OMRI Listed2 CF

Bar Harbor Blend – Organic Potting Soil

OMRI Listed

2 CF

Castine Blend – Organic Raised Bed Mix OMRI Listed1 CF

Castine Blend – Organic Raised Bed Mix

OMRI Listed

1 CF

Castine Blend – Organic Raised Bed Mix OMRI Listed2 CF

Castine Blend – Organic Raised Bed Mix

OMRI Listed

2 CF


Stonington Blend – Organic Grower’s MixOMRI Listed 1.5 CF

Stonington Blend – Organic Grower’s Mix

OMRI Listed

1.5 CF

Penobscot Blend – Compost & Peat Complete Planting Mix MOFGA Certified1 CF

Penobscot Blend – Compost & Peat Complete Planting Mix

MOFGA Certified

1 CF

Quoddy Blend – Organic Lobster CompostOMRI Listed1 CF

Quoddy Blend – Organic Lobster Compost

OMRI Listed

1 CF


Wiscasset Blend – Earthworm CastingsMOFGA Certified8 QT

Wiscasset Blend – Earthworm Castings

MOFGA Certified

8 QT

Mount Desert Island Blend – Organic Cactus & Succulent Mix8 QT

Mount Desert Island Blend – Organic Cactus & Succulent Mix

8 QT

Stonington Blend – Plant FoodOMRI Listed4 LBS

Stonington Blend – Plant Food

OMRI Listed

4 LBS

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We carry a broad range of Neptune’s Harvest organic liquid and dry fertilizers to keep all of your plants happy and healthy.

Fish & Seaweed FertilizerOMRI Listed1 PT

Fish & Seaweed Fertilizer

OMRI Listed

1 PT

Fish & Seaweed FertilizerOMRI Listed1 GAL

Fish & Seaweed Fertilizer

OMRI Listed

1 GAL

Tomato & Veg Formula1 QT

Tomato & Veg Formula

1 QT

Rose and Flowering Formula1 QT

Rose and Flowering Formula

1 QT


Liquid Crab & Lobster Shell1 QT

Liquid Crab & Lobster Shell

1 QT

Crab and Lobster Shell4 LBS

Crab and Lobster Shell

4 LBS

Kelp MealOMRI Listed4 LBS

Kelp Meal

4 LBS