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.
Our Products
Soils, mulches and fertilizers
available locally
as well as online!
Store Locator
Find our organic soils,
composts & fertilizers at
your favorite garden center!
Read our Blog
Get great advice and tips
on how to grow the
BEST organic garden!
Video Library
Watch our educational
"How-to" videos and learn
about our organic products!
Shop For Products by Category
Soils & Compost
Shop by category for Coast of Maine Soils & Composts
Mulch
Shop by category for Coast of Maine Mulch Products
Fertilizers & Amendments
Shop by category for Coast of Maine Fertilizers & Amendments
Stonington Organics
Shop for Stonington Organic Products
Featured Products
Castine Blend Organic Raised Bed Mix
$11.99 – $17.99Castine Blend Organic Raised Bed Mix
Uses: Raised bed gardens, planter boxes and container gardens
Coast of Maine Organic Products Castine Blend Organic Raised Bed Mix is a rich and diverse soil for growing big and healthy vegetables, herbs and flowers. It is made with a mixture of manure compost, worm castings, lobster and kelp meals, mycorrhizae, greensand and biochar. It is ready to use straight out of the bag with no need for additional components or tilling.
It is OMRI certified for use in organic gardens. Available in 1cf and 2cf bags.
Target pH 6.5
Buy Locally:
Buy Online:
Wiscasset Blend Earthworm Castings
$15.99Wiscasset Blend Earthworm Castings
Uses: Soil conditioning, top dress indoor container plants, compost tea
Coast of Maine Organic Wiscasset Blend Earthworm Castings 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.
It is permitted for use in the production of MOFGA certified organic crops.
Available in 8 quart bags.
Target pH 6.8
Buy Locally:
Buy Online:
Stonington Blend Grower’s Mix
$29.99Stonington Blend Grower’s Mix
Uses: Containers and large pots
Coast of Maine Organic Products Stonington Blend Grower’s Mix is a complex “super soil” designed for high performance container growing. It works well with tomatoes, and, where growing cannabis and medical marijuana is legal, growers have reported tremendous results. This soil incorporates mycorrhizal fungi, kelp, fish bone and alfalfa meal, as well as worm castings, peat, coir and lobster compost. When growing in 15 gallon containers, there is no need for additional nutrients.
It is OMRI certified for use in organic gardens
Available in 1.5cf bags – enough to fill a 10 gallon pot.
Target pH 6.3
Buy Locally:
Buy Online:
Stonington Blend Plant Food
$15.99Stonington Blend Plant Food ( 5-2-4 )
Uses: Fertilizer for containers, vegetable gardens, flower beds
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 certified for use in organic gardens
Available in 4lb bags.
Buy Online:
Sprout Island Organic Seed Starter
$9.99 – $24.99Sprout Island Organic Seed Starter
Uses: Seed germination and starting root cuttings
Coast of Maine Organic Products Sprout Island Organic Seed Starter is a rich mixture of blended sphagnum peat moss, perlite, kelp meal, worm castings and well-aged compost. It contains mycorrhizae and is ready to use in cell packs* or flats and provides natural moisture retention and aeration. It has a mild organic fertilizer charge that creates a biologically diverse environment ideal for germinating seeds and root cuttings.
*We recommend cell packs sized 72 or larger.
It is OMRI certified for use in organic gardens.
Available in 16 Quart and 2cf bags.
Target pH 6.2
Buy Locally:
Buy Online:
Bar Harbor Blend Organic Potting Soil
$5.99 – $17.99Bar Harbor Blend Organic Potting Soil
Uses: House plants, hanging baskets, window boxes, container gardens
Coast of Maine Organic Products Bar Harbor Blend Organic Potting Soil is a lightweight soil mixture made with salmon, blueberry, lobster and other composts, as well as calcium and chitin-rich lobster shells, sphagnum peat, perlite and kelp meal. It is dark brown in color and provides the perfect balance between water retention and drainage needed for healthy plants. It is OMRI certified for use in organic gardens.
Available in 8qt, 16qt, 1cf and 2cf bags.
Target pH 6.2
Buy Locally:
Buy Online: (8qt bag)
Quoddy Blend Lobster Compost
$10.99Quoddy Blend Lobster Compost
Uses: Planting amendment for conditioning flower beds and borders, vegetable gardens, herbs and annuals
Coast of Maine Organic Products Quoddy Blend Lobster Compost is made with chitin and calcium-rich lobster shells, compost and sphagnum peat moss. It is a dark-brown, complex soil filled with naturally occurring microorganisms all plants need for healthy growth. It drains well and is an ideal soil conditioner for existing beds that need reinvigorating.
It is OMRI certified for use in organic gardens.
Available in 1cf bags.
Target pH 6.5
Buy Locally:
Buy Online:
Liquid Squid Fertilizer for Indoor Plants
$19.99 – $39.99Liquid Squid Fertilizer for Indoor Plants ( 2-3-0 )
Uses: Promotes budding and blooming in indoor plants.
Coast of Maine Organic Products Liquid Squid is a highly concentrated liquid fertilizer used to feed indoor house and tropical plants. It can also be used to supplement greenhouse and hydroponic crops as well as annuals, roses, perennials, vegetables, fruit, shrubs and trees outside. Once diluted, it can be watered-in or applied as a foliar spray. It is made from longfin inshore squid using a unique enzymatic cold digestion process.
This product complies with the USDA National Organic Program (NOP) rules.
Available in quarts, gallons and 2.5 gallons.
Buy Locally:
Buy Online:
Learn more about Coast of Maine's newest product!
Coast of Maine Mount Desert Island Blend™ is made from: sphagnum peat, organic compost, sand, aged bark, biochar, fish bone meal and kelp meal. This ready-to-use formula offers both excellent drainage and sufficient water retention. It is pH balanced and offers organic nutrients that promote healthy root and plant growth.
$11.99 – $17.99
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 Blog
Filling Garden Gaps
Like most gardeners, you’re likely disappointed in a few plants and maybe even lost some along the way. Now is an excellent time to plant and fill in those gaps in your garden beds.
Hydrangea Myth Busting
Hydrangeas are the most googled flowering shrub on the internet. Unfortunately, that leads to a lot of misinformation. This month’s blog debunks some of those myths and sets the record straight.
Gardening in Small Spaces
Gardening in small spaces poses a challenge when it comes to plant selection. This month’s blog provides an array of easy to care for, dwarf shrub options.
Scents of the Season
Fragrant flowers can take you on a scented journey, especially when they flank walkways and entry areas. This month’s blog lists the best scented flowers and where they grow best in your gardens.
Raised Bed Gardening
Raised garden beds are gaining in popularity. This month’s blog talks about the advantages to growing plants in a raised bed and why you may want to convert your garden into one.
Crank Up Your Seed Starting
Its seed starting time! This month’s blog provides insight on just how to get started, the products you’ll need and helpful tips to get the most seed sowing success.
