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.
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Stonington Organics
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Featured Products
Bar Harbor Blend Organic Potting Soil
$9.99 – $20.99Bar Harbor Blend Organic & Natural Potting Soil
Uses: House plants, hanging baskets, window boxes, container gardens – Also terrific for growing vegetables!
Our great all-purpose potting soil is made with natural and organic ingredients such as lobster, kelp, compost, perlite, and sphagnum peat. It is designed for potting indoor and outdoor container plants. Water and fertilize less with this nutrient rich, compost based potting soil. It is OMRI listed for use in organic gardens.
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
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Fish Bone Meal
$17.99Fish Bone Meal Organic Plant Food for Buds & Blooms (5-13-0) with 18% Calcium
Uses: A source of phosphorus, calcium, nitrogen and essential minerals for budding and blooming plants.
An exceptional organic fertilizer ideal for budding and blooming plants. Made from dehydrated fish bones, it is an excellent natural source of phosphorus, calcium, nitrogen, essential minerals and trace elements.
It is OMRI listed for use in organic gardens.
Available in 3lb bags.
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Sprout Island Organic & Natural Seed Starter
$9.99 – $25.99Sprout Island Organic & Natural Seed Starter
Uses: Seed germination and starting root cuttings
A rich mixture of blended mycorrhizae, sphagnum peat moss, well-aged compost, perlite, lime, kelp meal, worm castings, and lobster meal. Designed specifically for germinating seeds and rooting cuttings, and growing them into healthy, disease resistant plants.
*We recommend cell packs sized 72 or larger.
It is OMRI listed for use in organic gardens.
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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Liquid Squid Fertilizer for Indoor Plants
$20.99Liquid Squid Fertilizer for Indoor Plants ( 2-3-0 )
Uses: Promotes budding and blooming in indoor plants.
A truly remarkable fertilizer made entirely of squid. Intended to promote 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.
Available in quarts.
Buy Locally:
We believe in local retailers, to find the product you are looking for, visit our store locator
Buy online:
Wiscasset Blend Earthworm Castings
$18.99Wiscasset Blend Earthworm Castings
Uses: Soil conditioning, top dress indoor container plants, compost tea – Great for vegetables!
Coast of Maine Organic Wiscasset Blend Earthworm Castings is a finely textured, supercharged vermicompost. It is a rich blend of the digested soil left behind by earthworms. This process makes the nutrients in the soil more available to plants, as well as adding improved water retention. The castings are odorless and finely textured, making it easy to top dress houseplants.
Available in 8 quart bags.
Target pH 6.8
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Stonington Blend Plant Food
$18.99Stonington Blend Plant Food ( 5-2-4 )
Uses: Fertilizer for containers, vegetable gardens, flower beds
Great for replenishing soil between grows in your raised bed!
Coast of Maine Organic Products Stonington Organic Plant Food is an exceptional granular organic fertilizer that will supercharge the biology of container gardens. It is made with lobster, crab, fish and kelp meal, plus worm castings and other natural ingredients. It is also high in calcium which helps promote plant vigor. It can be mixed into the soil for new beds or used to top dress existing plantings.
It is OMRI listed for use in organic gardens
Available in 4lb bags.
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Castine Blend Organic & Natural Raised Bed Mix
$12.99 – $19.99Castine Blend Organic & Natural Raised Bed Mix
Uses: Raised bed gardens, planter boxes and large container gardens. Grows amazing vegetables!
An enriched blend of fully cured, locally-sourced compost, peat, biochar, worm castings, dehydrated poultry manure, kelp meal, lobster meal, greensand, lime, and mycorrhizae. Great for growing healthy vegetables, herbs, and flowers.
It is OMRI listed for use in organic gardens. 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:
Quoddy Blend Lobster Compost
$11.99 – $12.99Quoddy Blend Lobster Compost
Uses: Planting amendment for conditioning flower beds and borders, vegetable gardens, herbs and annuals. Terrific for growing vegetables!
Coast of Maine Organic Products Quoddy Blend Lobster Compost is made with lobster shells, compost and sphagnum peat moss. It is a dark-brown, complex soil filled with everything your plants need for healthy growth. It drains well and is an ideal soil conditioner for existing beds that need reinvigorating.
It is OMRI listed for use in organic gardens.
Available in 8qt & 1cf bags.
Target pH 6.5
Buy Locally:
Buy Online:
Learn more about Coast of Maine's newest soil amendments and mulch!
Coast of Maine's NEW Organic & Natural Planting Soils! - Soils designed specifically for planting Tomatoes & Vegetables, Roses & Flowers, and Acid-Loving plants!
$11.99
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:
"I have a baby and a 2 1/2 year old. I grow what I can to feed the kids, and I use Coast of Maine every year...I try to grow everything organically. It is important for me because the kids are eating it, and it's nice to know where your food is coming from. "
Mom and Organic Gardener
Organic Gardener
"Coast of Maine is the one soil that I have to have every year...It's really the only organic garden soil that has good trusted ingredients that I can buy. You can't go wrong with it. It's great and people love it."
Melissa Higgins
Sprague's Garden Center Manager
"I have been blown away by the Fundy Blend! My garden has not had any weeds, and I haven't once needed to feed my plants because of all the nutrients and kelp in the Fundy Blend... It is amazing!"
Crystal Kovalik
Skillin's Greenhouse employee
"I need to sell quality... when my customers buy something from us, they know it will work. I can't take chances on average. That is why Coast of Maine is a staple here, because we think it is one of the best products out there."
Chris Kennedy
Kennedy's Country Gardens
"We absolutely love Penobscot Blend, because our customers have more success when they add it to what they are planting. Our landscape department finds that adding some into the hole with the trees they are planting helps the trees survival through the winter and cold."
Mary-Jo Bridge Palmer
Sam Bridge Nursery
"I use the Lobster Compost in my garden because it gives me the best tomatoes and greens. It lightens my soil and makes it much richer... I need as much help as I can get, and coast of Maine gives it to me!"
Kit Cornell
Wentworth's CustomerFrom Our Blogs - Gardening / House Plant
Raised Beds Raise the Bar
Raised beds are the way to go. Planting a raised bed is like putting all your hopes and dreams in a box. No matter if you’re growing veggies or cut flowers, when you are trying to push out a crop efficiently and reliably, raised beds are the best bet to make the magic happen. Although […]
The Dahlias You Deserve
Admit it. You dream about dahlias. Every year, someone else brings a big fat bouquet of dahlias into the office, and every year you wish those dahlias were part of your backyard. Well, listen up, because we are going to bring those fantasy flowers into your reality. Not only are you going to finally get […]
Spring Fling
Spring is really, actually, truly happening! That means amorous frogs are chirping, the perennials are popping, buds are swelling, and you want to get out there and join the festivities. Well, here come some ideas to get your garden up to speed and perking along. Spring is probably the only time of year when […]
Refreshing
By the time early spring rolls around, we’re all a little winter weary. You’re ready for a shot of zing, and so are your plants. For you, spring break might do the job. For your tired houseplants, we’ve got just the pick-me-up picnic they need. Here come some ideas to breathe new life […]
Feed Me!
It’s March! That means you’re suddenly being serenaded by peep frogs, amorous birdies, and antsy animals revving up for strong onslaughts of spring fever. But March has another sound entirely, and that’s the gurgle of watering cans as they deliver fertilizer to hungry houseplants. That’s right, March is when the houseplant feeding season begins. Although […]
Spring Graduation
Been itching to hand out promotions to your houseplants? Graduation time is here! Spring is when houseplants begin making headway and root growth supported by the brighter (don’t we love that word?) light and longer days ahead. Give them the power to propel forward—start rallying your potting soil and containers to move them to more […]
