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Coast of Maine Sprout Island Blend Seed Starter, 2 cu ft

  • Based on 1,064 reviews
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Availability: In Stock.
Fulfilled by Esbenshades Garden Center

Arrives Saturday, Oct 31
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Size: 2 Cubic Feet


Features

  • Specially Crafted for Seed Starting: Formulated for seed germination and rooting plant cuttings in cell packs, trays, flats, and other propagation systems.
  • Build Nutrient-Rich Soil: Made with sphagnum peat moss, compost, aged bark, perlite, kelp meal, lobster and crab shell meal, worm castings, and mycorrhizae to create a biologically active growing environment.
  • Ideal for Indoor & Outdoor Gardening: Crafted with natural ingredients for starting seeds, rooting cuttings, and growing strong seedlings before transplanting.
  • Mycorrhizae-Enhanced Seed Starter: This convenient 2 cu ft bag contains a lightweight blend with natural slow-release nutrients to support root development and early plant growth.
  • Harvesting a Brighter Future: OMRI Listed and crafted with sustainably sourced ingredients using regenerative practices for environmentally responsible indoor and outdoor gardening.
  • Supports Living Soil: Build rich, living soil with organic amendments instead of synthetic fertilizers. Encourages biodiversity, creates healthier outdoor spaces for your family and pets, and helps support a more sustainable future.

Description

Living close to the land keeps you grounded in life's richest gifts. The secret to getting the most from these gifts is that you get back from the earth what you put into it. And nothing nurtures the world above better than the soil below, which is why we believe gardening should be done organically. We pride ourselves in providing a diverse portfolio of innovative organic soils and fertilizers, most of which are OMRI certified. Coast of Maine repurposes organic waste into nutrient-rich compost, reducing landfill use while enriching gardens. Using fish bones, shells, and manure, we create high-quality soil amendments for sustainable gardening. Soil is a vital, living ecosystem facing threats like erosion and biodiversity loss. Coast of Maine restores soil health with billions of beneficial microorganisms. You're not just nurturing plants—you’re sustaining the planet. We sell only to local garden centers, fostering relationships and supporting local economies. We love local. What nutrients are in this blend? This formula includes a rich mixture of blended sphagnum peat moss, compost, aged bark, perlite, kelp meal, lobster and crab shell meal, worm castings and mycorrhizae. Where does Coast of Maine manufacture their products? The United States. What was this formula designed to be used for? This formula is approved for organic growers and was designed specifically for seed germination and rooting plant cuttings. Penobscot Blend Aeration Formula Bar Harbor Blend Cobscook Blend

Brand: Coast of Maine


Style: 1 Pack


Item Weight: 43 pounds


UPC:


Item Highlight: Promotes Root Development & Flowering, Mycorrhizae Enhanced, Ocean & Farm-Sourced Ingredients See more


Brand Name: Coast of Maine


UPC: 609853000924


Item Highlight: Promotes Root Development & Flowering, Mycorrhizae Enhanced, Ocean & Farm-Sourced Ingredients


Number of Packs: 1


Unit Count: 1915.01 Ounce


Included Components: Coast of Maine Sprout Island Organic Seed Starter- 2 CU FT


Item Type Name: Coast of Maine Sprout Island Organic Seed Starter- 2 CU FT


Manufacturer: Coast of Maine


Manufacturer Warranty Description: Warranty


Model Number: …...


Style Name: 1 Pack


Item Weight: 43 pounds


Volume: 2 cubic feet


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Oct 31

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great starter soil
Size: 16 Quarts
Works great. Needs little to no feeding depending on what you grow with it
Reviewed in the United States on July 18, 2026 by Daniel Viele

  • Great product, will buy again!
Size: 2 Cubic Feet
This is a great seed starting medium, for ALL garden seed types. We also use it to transplant seedlings & plants, to lessen the shock. Works great! Will definitely buy more!
Reviewed in the United States on May 20, 2026 by Nettie

  • Seller was very prompt a
Size: 8 Quarts
Good quality product
Reviewed in the United States on July 16, 2026 by Jacob

  • My Go To Seed Starter Mix
Size: 8 Quarts
For years, I've maintained a vegetable garden year-round. In the summer I grow several varieties of pepper, tomatoes and other vegetables. In the fall, I switch over to collards, kale and broccoli varieties. In between I grow several varieties of marijuana. No matter what I grow I start my own seeds in trays indoors under lights indoors and contribute much of my success to using COM Seed Starter. It allows me to start organic and remain so throughout the plant's lifecycle. There are a lot of "seed starters" out there and I've tried my fair share sometimes with disastrous results. With Coast of Maine Seed Starter there's no guesswork and a greater chance for gardening success. ... show more
Reviewed in the United States on July 20, 2026 by James E

  • Good soil - plants grow well
Size: 8 Quarts
Love this soil though sometimes I have to fish out bits of sticks or pieces of garbage bags I- mostly it is excellent quality however. Have germinated many fruit, veg and flower seeds in this. Have bought again- great brand - have not had trouble with insects in bags, good clean soil. Wish it was a bit cheaper because I need lots as I start everything off indoors for our short NH growing season. ... show more
Reviewed in the United States on July 1, 2026 by Lucy Rutland

  • Weighs about 40lbs +
Size: 2 Cubic Feet
When coming to give my review I thought I'd check for more details I missed before doing so. First off, shockingly, When I saw that for 2 cu ft that it weighs 4.4lbs. It's 40lbs and thats being conservative. I checked the COM website and it states 40lbs which might matter to some if they can't see the fine details. I can only say what I received and it's completely dry, unlike elsewhere where they store outside in the rain. It's very light and fluffy which was what I had hoped. No chunks of wood material at all, just feathery light stuff. I do a 60/40 seed starter to vermeculite mix. I'm trying for the first time to do the water jug winter sowing and since it was going to rain I prepped my jugs added the soil and vermeculite then let mother nature do her job. It's looks and feel nice and absorbed the rain. I put holes about a 1/2 to 2/3 inch up from the bottom so the water will pool at the bottom so I don't have to water as often. I'd heard doing this method with holes on the very bottom they dry out very quickly. When I plant the seeds I'll be also using a Summit Mosquito Bits, mosquito/gnats water solution to sprinkle on top of soil in case there's any gnat eggs waiting to hatch. In my Update I give the recipe once I've finished in a few days. My only disappointment is that the price went up $10 since I ordered a few weeks ago. I'll just drive to my local (20 miles away) garden center and pick up some very wet but much cheaper bags of it. Next year I'll 2 or 3 bags. If it comes down before I go do a pick up then I'll buy from this vendor. My local is $32. Very fast and well packaged. Update: I upgraded to 5 stars because I find this product to be an excellent choice for planting and shouldn't be reflective in the price increase of it now being $8.xx increase from my original buy but wish I could get it in the smaller bags for easier transporting at a cost effective price. Next year.... ... show more
Reviewed in the United States on January 28, 2024 by Henrysmom

  • Black soil
Size: 8 Quarts
It arrives in a small box which is suprising. It fluffs out quite nice. It's maybe a 10 lb bag, but I'm sure most of that is water weight. Yes, it comes wet. Don't smell it as soon as you open it. It has quite the aroma! Let it breath, then it's fine. It is black with richness. The texture isn't trashy. I looks to be richly organic. I believe it's a bit expensive for it's size. 18 inches tall and 10 inches wide. ... show more
Reviewed in the United States on June 5, 2026 by Darrell See

  • Seeds love it!
Size: 8 Quarts
Great soil! One 8qt bag is enough to fill about two 72 cell count seedling trays. My peppers germinated within just a few days, and this has enough nutrients to last the plant until transplant, could also be used for transplants from the seed cells into 3-4" pots until ready for final soil mix (raised bed mix from COM is what I use). However, I will be buying a bigger bag next time. Highly recommend! ... show more
Reviewed in the United States on February 6, 2026 by Dsd4g63

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