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Organic Soil Amendments, Mulch, and More

Coast of Maine Organic Products was founded in 1996 with the simple idea that a healthy planet needs healthy soil to sustain life. From this idea, a love of gardening and a commitment to sustainable practices, Coast of Maine Organic Products has grown to offer what we believe are the most unique and effective organic soil amendments and mulch available.  

Our Soil Improvement Products

Soils, mulches and fertilizers
available locally
as well as online!

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composts & fertilizers at
your favorite garden center!

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on how to grow the
BEST organic garden!

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For Growing Cannabis

Shop for Growing Cannabis with Coast of Maine Products

Featured Products

Hot

Liquid Squid Fertilizer for Indoor Plants

$20.99

Liquid Squid Fertilizer for Indoor Plants ( 2-3-0 )

 

Promotes budding and blooming.  This concentrated fertilizer also enriches the soil with plant-ready minerals, giving your plants a significant boost! Great for greenhouse and hydroponic systems and both indoor and outdoor applications.

 

Product Highlight Features:

  • Once diluted, it can be watered-in or applied as a foliar spray.
  • Promotes budding and blooming.
  • Great for greenhouse and hydroponic systems and both indoor and outdoor applications.
  • Promotes plant health & vigor.
  • NPK (2-3-0).
  • Made with 100% Natural Ingredients.

 

Available in quarts.

 

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We believe in local retailers, to find the product you are looking for, visit our store locator

 

 

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Hot

Stonington Blend Grower’s Mix

$36.99

Stonington Blend Organic & Natural Grower’s Mix

 

Created specifically for growing Cannabis. Rich in nutrients and formulated with amendments designed to boost budding, blooming and root development. Designed for high performance growing in containers and large pots. This blend incorporates sphagnum peat moss, coir, perlite, compost, worm castings, fish bone meal, lobster and crab shell meal, kelp meal, alfalfa meal and mycorrhizae. For best results, grow in 15 gallon containers. OMRI listed.

 

Product Highlight Features:

  • High performance potting mix for large container plants.
  • Natural slow release nitrogen.
  • Living soil perfect for all potted and container gardens.
  • On its own, it is enough to feed a single cannabis plant through a full grow cycle* in a 15-gallon container.
  • Approved for organic growers.

 

Feeding Schedule

 

Available in 1.5cf bags

 

Target pH 6.3

 

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Hot

Quoddy Blend Lobster Compost

$8.99$13.99

Quoddy Blend Lobster Compost

 

The original “seafood” compost. Made with lobster and crab shell meal blended with compost, sphagnum peat moss and aged bark. The result is a complex soil that drains well and is ideal for conditioning beds and borders. Excellent for high yield vegetable gardens. OMRI Listed.

 

Product Highlight Features:

  • For Vegetables, Flowers & Lawns.
  • Improves and Revitalizes Soil.
  • Can be used to amend soil and you can also plant directly in Quoddy Blend.
  • Adds calcium.
  • Approved for organic growers.

 

Available in 8qt & 1cf bags.

 

Target pH 6.5

 

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Hot

Stonington Blend Plant Food

$19.99

Stonington BlendTM Organic Plant Food with Lobster, Kelp & Worm Castings (5-2-4)

 

Made with lobster and crab shell meal, fish meal, kelp meal, and worm castings.  This exceptional fertilizer will super charge the soil, giving all your plants a significant boost. It is also high in calcium (4%) and a range of macro and micro-nutrients to help improve plant vigor! OMRI listed.

 

Product Highlight Features:

  • Promotes leafy green growth, budding, flowering & fruiting.
  • For containers, vegetable gardens, flower beds.
  • Great for replenishing soil between grows in your raised bed!
  • Approved for organic growers.
  • NPK (5-2-4)

 

Available in 4lb bags.

 

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Hot

Sprout Island Organic & Natural Seed Starter

$10.99$26.99

Sprout Island Organic & Natural Seed Starter

 

A rich mixture of blended sphagnum peat moss, compost, aged bark, perlite, kelp meal, lobster and crab shell meal, worm castings and mycorrhizae. Designed specifically for germinating seeds and rooting cuttings. OMRI listed.

 

Product Highlight Features:

  • For seed germination and rooting plant cuttings.
  • Natural slow-release nitrogen.
  • Encourages healthy, disease resistant plants.
  • Approved for organic growers.

*We recommend cell packs sized 72 or larger.

 

Available in 8 Quart, 16 Quart and 2cf bags.

 

Target pH 6.2

 

Buy Locally:

We believe in local retailers, to find the product you are looking for, visit our store locator

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Hot

Castine Blend Organic & Natural Raised Bed Mix

$14.99$22.99

Castine Blend Organic & Natural Raised Bed Mix

 

An enriched blend of fully cured compost, sphagnum peat moss, dehydrated poultry manure, lobster and crab shell meal, greensand, biochar, worm castings and mycorrhizae. Great for growing vegetables, herbs, and flowers.
OMRI Listed.

 

Product Highlight Features:

  • Helps retain moisture & improve aeration.
  • Great for growing healthy vegetables, herbs and flowers.
  • Natural slow-release nitrogen.
  • Rich in organic material.

Available in 1cf and 2cf bags.

 

Target pH 6.5

 

Buy Locally:

We believe in local retailers, to find the product you are looking for, visit our store locator

Buy Online:

Hot

Bar Harbor Blend Organic Potting Soil

$10.99$20.99

Bar Harbor Blend Organic & Natural Potting Soil

 

Our great all-purpose potting soil is made with sphagnum peat moss, compost, perlite, lobster and crab shell meal and kelp meal. It is designed for potting indoor and outdoor container plants. Water and fertilize less with this nutrient rich, compost based potting soil. OMRI Listed.

 

Product Highlight Features:

  • For houseplants, flowers, vegetables, herbs, & all container gardens.
  • Helps retain moisture & improve aeration.
  • Water and fertilize less with this nutrient rich, compost based potting soil.
  • Approved for organic growers.

 

Available in 8qt, 16qt, 1cf and 2cf bags.

 

Target pH 6.2

 

Buy Locally:

We believe in local retailers, to find the product you are looking for, visit our store locator

Buy Online:

Hot

Fish Bone Meal

$18.99

Fish Bone Meal Organic Plant Food for Buds & Blooms (5-13-0) with 18% Calcium

 

An exceptional organic fertilizer ideal for budding and blooming plants. Made from dehydrated fish bones, it is an excellent natural source of phosphorus, calcium, and nitrogen. OMRI Listed.

 

Product Highlight Features:

  • Promotes budding, flowering & fruiting.
  • Add to planting holes for flowering bulbs.
  • Perfect for fertilizing bulbs, vegetable gardens, container gardens and trees & shrubs.
  • NPK (5-13-0) with 18% Calcium.
  • Approved by organic growers.

 

Available in 3lb bags.

 

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What's New?

Learn more about Coast of Maine's soil amendments and mulch!

Coast of Maine's Organic & Natural Planting Soils! - Soils designed specifically for planting Tomatoes & Vegetables, Roses & Flowers, and Acid-Loving plants!

Price Only

$12.99

Customer Testimonials about Coast of Maine's Organic Products

Coast of Maine Organic Products was founded in 1996 with the simple idea that a healthy planet needs healthy soil to sustain life. From this idea, a love of gardening and a commitment to sustainable practices, Coast of Maine Organic Products has grown to offer what we believe are the most unique and effective organic gardening products available. Here's what our customers think of our products:

From Our Blogs - Gardening / House Plant

Homecoming Boost & The Final Feeding

So, you successfully whisked all your houseplants safely inside ahead of the Big Bad Chill. And as usual, it was a frantic race against Jack Frost. Now what? Well, if you’re anything like the average over-extended gardener with good intentions but limited time, you probably ran those babies indoors last minute. In other words, you […]

Prepping Houseplants for Fall Re-Entry

Some of us saw this coming. After all, fall happens right about now every year. So, you might as well get with the flow. Notice that we didn’t say anything about resigning yourself to the imminent end of the growing season, because there’s nothing negative about fall. If you’re into houseplants, this is a joyous […]

Bodacious Berries

It’s harvest time. So don’t start putting your garden to bed because there’s plenty of perks on the horizon. Don’t even think about slowing down, because the garden is pumping out goodies a mile a minute. I’m talking about berries. And it’s not only about what goes into our tummies (and there’s lots of that […]

Preventing Pests with a Compost Tea

The bugs are out in full force this Summer! When you find insects in your garden, your first instinct might be to destroy them, but that’s not always the best course of action. Some insects are destructive and should be controlled, but of the more than 1.5 million known insect species in the world, more […]

Keep the Yummy Coming

Once you’ve got a taste of your own fresh veggies plucked straight from the garden, you’ll want to keep the harvest flowing. With a little planning, you can continue the parade of delicious produce without pause. To set the momentum in motion, you’ll need to stay on top of crops and keep them harvested to […]

Container Reboot

Midsummer is all about excess, right? It’s about beating sun, scorching temperatures, and thunderstorms that send your pets cowering. All those histrionics might be typical of the season we call summer, but they also take a toll on growing things. Specifically, plants in containers can feel the stress. Containers might need a little help from […]

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