This is Coast of Maine’s full collection of soil supplies, including compost, amendments, fertilizer, mulch, and soil. Our time-tested, approved products are made with our customers and our planet in mind, and many of the ingredients we use are locally sourced. Whether you’ve already earned your green thumb or you’re just beginning your gardening career, our supplies can help make your life a little greener.
Buy local by finding a soil supply dealer near you with our online locator tool and don’t hesitate to contact Coast of Maine with any questions about our soil supplies! Additionally, you can visit our FAQ page, where we offer answers to commonly asked questions.
Aeration Formula
A blend of coir and perlite has been a must have for hydroponic growers for years. At Coast of Maine we have developed our own unique blend by adding lobster meal and kelp meal bringing life and energy to this popular growing media.
• Peat Free.
• 70% Coconut coir/30% perlite.
• Increased aeration and drainage.
• Plant directly in this blend.
• For indoor and outdoor containers.
Available in 1.5cf bags.
Aged Cedar Mulch
Uses: Mulching around trees and shrubs
A finely textured, rich, dark chocolate brown mulch with all the natural benefits of cedar. Because it has been naturally aged for several years and has begun to decompose, it is finer in texture and denser than other mulches. It helps retain soil moisture and suppress weed growth. Use to mulch around trees and shrubs.
Available in 2 cubic foot bags.
We believe in local retailers, to find the product you are looking for, visit our store locator
Bar 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
We believe in local retailers, to find the product you are looking for, visit our store locator
Castine 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
We believe in local retailers, to find the product you are looking for, visit our store locator
Cobscook Blend Organic & Natural In-Ground Garden Soil
The ideal soil amendment for all your beds and gardens. It is carefully formulated to provide balance between structure, water retention, drainage and aeration for growing vegetables, annual and perennial flowers in the ground. It provides the rich and diverse soil your plants need.
Available in 1 & 2cf bags.
Target pH 6.0
Dark Bark Mulch
Uses: Mulching around trees, shrubs and perennials
A naturally rich, dark chocolate brown mulch made from pine and spruce bark. It is finer in texture and has a dense consistency. It helps retain soil moisture and suppress weed growth. As there are no dyes in this mulch, it may fade over time, depending on moisture and sunlight. Use to mulch around trees, shrubs, and perennials.
Available in 2 cubic foot bags.
We believe in local retailers, to find the product you are looking for, visit our store locator
Dark Harbor Blend Enriching Mulch
Uses: Mulching beds, borders and gardens around trees and shrubs
Coast of Maine Organic Products Dark Harbor Blend Enriching Mulch is an exceptionally rich, naturally dark, fine textured blend of self-composted barks. It helps retain moisture and insulate the surface soil against temperature variations that can harm roots. Because it is composted, it will not rob the soil of nitrogen and can be dug into the beds in the fall to improve the organic content of the soil.
Available in 1 & 2 cubic foot bags
Target pH 6.3
Fish 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.
Fundy Blend Organic Enriching Mulch & Seaweed
Uses: Top dressing roses and perennials
Fundy Blend Enriching Mulch & Seaweed is an exceptionally rich, naturally dark, fine textured blend of self-composted barks and seaweed. It helps retain moisture and insulate the surface soil against temperature variations that can harm roots. Because it is composted, it will not rob the soil of nitrogen and can be dug into the beds in the fall to improve the organic content of the soil.
Available in 1 & 2 cubic foot bags.
Target pH 6.3
Hemlock Mulch
Uses: Mulching around trees and shrubs, play area surfaces
A fine textured, double-ground, dark auburn color, fresh bark mulch made from Eastern Hemlock. Our blend contains a mix of fresh mulch combined with partially composted bark. It helps to retain soil moisture and suppress weed growth. Use to mulch around trees, shrubs, and play area surfaces.
Available in 2 and 3 cubic foot bags.
Kelp Meal All Purpose Organic Plant Food ( 1 – 0 – 1 ) with 1% Calcium
Uses: As a top dressing around trees and shrubs and houseplants. May also be sprinkled on lawns, mixed into garden beds or used in planting holes. It can also be made into a tea and use for watering or a foliar spray.
100% dehydrated Norwegian Kelp (common seaweed), a source of trace quantities of macro and micro-nutrients that will help promote healthier plants and improve crop yields. Use around trees and shrubs, on lawns and in garden beds, or to top-dress containers.
This product complies with the USDA National Organic Program (NOP) rules.
Available in 4lb bags.
Liquid 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.
We believe in local retailers, to find the product you are looking for, visit our store locator
Lobster Meal Organic Plant food for Greening & Leafing ( 6-2-0) with 8% Calcium
Uses: Fertilizer for outdoor container gardens, vegetable and herb gardens, flower beds, lawns
Made entirely of chitin-rich lobster and crab shell, this is the ideal organic fertilizer for outdoor containers, vegetable, herb and flower gardens. Natural nitrogen and calcium help promote strong stem growth, healthy green foliage, and vigorous roots.
It is OMRI listed for use in organic gardens.
Available in 4lb bags.
Monhegan Blend Organic & Natural Black Earth Lawn Soil
Uses: For reconditioning lawns, filling in bare spots, general purpose soil amendment
An exceptional organic compost-based top soil, designed for top-dressing and repairing lawns, as well as general purpose use around the garden. Made with a blend of composts and sphagnum peat moss, it will retain moisture in order to facilitate grass seed germination.
It is OMRI listed for use in organic gardens.
Available in 1cf bags.
Target pH 6.5
We believe in local retailers, to find the product you are looking for, visit our store locator
Mount Desert Island Blend Organic Cactus & Succulent Mix
Uses: Cactus, succulent, tropical palms and citrus plants
Designed for cactus, succulents, tropical palms, and citrus plants. This pH balanced formula is made from: sphagnum peat moss, compost, sand, aged bark, biochar, fish bone meal, and kelp meal. It is ready-to-use and offers both excellent drainage and sufficient water retention. It is the perfect blend to promote root and plant growth.
Available in 8qt bags.
Target pH 7.0
We believe in local retailers, to find the product you are looking for, visit our store locator
Natural Cedar Mulch
Uses: Mulching trees and shrubs and play areas
A great all-purpose fresh mulch. It is double ground from cedar to a fine, fluffy texture with an amazing cedar aroma. Because cedar is rot-resistant, this mulch will be slow to break down and last longer than others. It is light in color and can be used to help lighten dark areas of your landscape. It helps to retain soil moisture and suppress weed growth. Use to mulch around trees, shrubs, and play area surfaces.
Available in 2 cubic foot bags.
Penobscot Blend Organic & Natural Planting Mix
Uses: Planting amendment for annuals, perennials, shrubs and trees; conditioning garden beds and borders. Also terrific for growing vegetables!
We believe Penobscot Blend™ Organic & Natural Planting Mix is the ideal soil amendment for bedding annuals and planting perennials, roses, shrubs and trees. It provides the rich and diverse soil your plants need. Formulated from compost, aged bark, oyster shell and mycorrhizae.
Available in 1cf. bags.
Target pH 6.5
Pine and Spruce Mulch
Uses: Mulching trees and shrubs and play areas
A fresh bark mulch made from pine, spruce and fir harvested in Maine’s northern woods. It is rich brown in color. It helps to retain soil moisture and suppress weed growth. Use to mulch around trees, shrubs, and play area surfaces.
Available in 2 and 3 cubic foot bags.
We believe in local retailers, to find the product you are looking for, visit our store locator
Organic & Natural Planting Soil for ACID-LOVING PLANTS
Uses: A great soil conditioner for improving and revitalizing the soil in and around plants that thrive on lower pH soils like: rhododendrons, azaleas, hollies, blueberries, strawberries, ferns, fuchsias, camellias, dogwoods and conifers.
Organic & Natural Planting Soil for Acid Loving Plants is the ideal planting mix to improve and revitalize the soil in and around plants that thrive in lower pH soils like: rhododendrons, azaleas, hollies, blueberries, strawberries, ferns, fuchsias, camellias, dogwoods, and conifers. Made with premium ingredients, it contains compost, sphagnum peat moss, and aged bark.
Available in 20qt bags.
Target pH 5.0
We believe in local retailers, to find the product you are looking for, visit our store locator
NEW PRODUCT!
Organic & Natural Planting Soil for ROSES & FLOWERS
Uses: A great soil conditioner for improving and revitalizing the soil in and around your roses and flowers. It is naturally lightweight and contains just the right ingredients to get your beautiful flowers off to a good start.
Organic & Natural Planting Soil for Roses & Flowers is the ideal planting mix to improve and revitalize the soil in and around all of your rose varieties, flowering annuals, and perennials. Perfect for supporting continual blooms and healthy foliage. Made with premium ingredients, it contains compost, aged bark, and lime.
Available in 20qt bags.
Target pH 6.2
We believe in local retailers, to find the product you are looking for, visit our store locator
Quoddy 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
Schoodic Blend Organic & Natural Composted Manure Blend
Uses: Conditioning vegetable gardens and flower beds
For those who prefer traditional manure composts. This is an all-purpose soil conditioner designed for gardens, beds and borders. Made with a blend of composted cow manure from several local beef and dairy farms, and sphagnum peat moss.
It is OMRI listed for use in organic gardens.
Available in 1 cubic foot bags.
Target pH 6.5
We believe in local retailers, to find the product you are looking for, visit our store locator
Sprout 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
We believe in local retailers, to find the product you are looking for, visit our store locator
Stonington 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.
NEW PRODUCT!
Organic & Natural Planting Soil for TOMATOES & VEGETABLES
Uses: A great soil conditioner for improving and revitalizing the soil in and around your vegetable garden beds. It is naturally lightweight and contains just the right ingredients to grow plentiful, flavorful tomatoes and vegetables.
Organic & Natural Planting Soil for Tomatoes & Vegetables is the optimal soil conditioner to revitalize the soil in and around your vegetable garden beds. It is naturally lightweight and contains just the right ingredients to grow plentiful, flavorful tomatoes and vegetables. Made with premium ingredients, it contains compost, lobster, and lime.
Available in 20qt bags.
Target pH 6.8
Topsoil
Uses: Creating a base layer in raised beds, patching and filling holes in lawns.
Coast of Maine Topsoil is an economically priced blend of garden loam, compost, and sphagnum peat moss. Use for creating a base layer in raised beds, patching and filling holes in lawns.
Available in 20qt bags.
We believe in local retailers, to find the product you are looking for, visit our store locator
Wiscasset 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 and 20quart bags.
Target pH 6.8
Stonington Blend Organic & Natural Grower’s Mix
Uses: Containers and large pots. Grows the most amazing tomatoes & vegetables!
Coast of Maine 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 listed for use in organic gardens
Available in 1.5cf bags – enough to fill a 10-gallon pot.
Target pH 6.3
