As an Amazon Associate I earn from qualifying purchases.

6 liters; dimensions l x w x h: 3 x 16 x 21 inches; Weight: 12. 5 pounds. Ready to use: ready to use out of the bag, great for cell packs, trays, or flats.

Easy to store & expand: each compact coconut coir brick expands into 8 quarts of seed starting mix, house plants, coconut coir provides a quality growing medium for all types of plants - indoor plants, outdoor plants, providing 16 quarts total.1
We treat each order with care to ensure healthy seeds, soil mixes & gardening supplies are sent in excellent condition. Just add water to expand! Dehydrated bricks save space until planting. Ideal growing mix: improve seed germination and root growth with this premium coconut fiber mix, which improves nutrients absorption! Great for flower, herb & more plant types. This eco-friendly, premium seeds starting mix combines well with other potting soil and compost for container plants & raised beds.


Mycorrhizae, yucca extract, coconut coir, and coconut coir for strong root development: this organic potting soil has mycorrhizae, and yucca extract which enhances the root's uptake of water and the nutrients required by your plants for growth.
Nutrient-rich, and organic soil: grow a bountiful garden in your home with the Back to the Roots All-Purpose Natural and Organic Peat-Free 3-in-1 Seed Starting Mix, NATURAL, packed with the nutrients needed for your plants, flowers, and vegetables to thrive. The perfect gift: the perfect holiday gift, tag us and use the campaign hashtag, garden-loving and eco-conscious friends and family; This kit is also part of our Grow One Give One campaign, simply share a picture on social media, it comes in a beautiful packaging so that it's ready to be given to foodie, and we'll donate a kit to a classroom of your choice.


Mix created using activated compost base, a premium soil amendment with over 20 years of growing success, for a stress-free lush garden. Lightweight 25 pound bag is ideal for indoor home gardeners focusing on a smaller garden or container and raised bed gardening.

1. Espoma
#ad
All Natural & Organic Seed Starting Mix with Mycorrhizae. For Organic Gardening, 16 qt, Pack of 1, Espoma Organic Seed Starter Premium Potting Soil Mix
#adEspoma #ad - Promote root growth: Organic seed starter mix ensures ideal moisture retention and aeration. Great for flower, vegetable, herb & more plant types. Myco-tone: a blend of endo & ecto mycorrhizae. When to use: use to germinate and start seeds.More information #ad
Organic gardening: contains a rich blend of only the finest natural ingredients. Can also be used to root stem and leaf cuttings. No synthetic plant foods or chemicals are used. Contains: this organic seed stating soil mix is a rich blend of sphagnum peat moss & perlite with yucca extract and lime to ensure correct pH.Brand | Espoma #ad |
Manufacturer | Espoma #ad |
Height | 13 Inches |
Length | 24 Inches |
Weight | 13 Pounds |
Width | 2 Inches |
Part Number | SS16 |
Model | SS16 |
More information #ad
2. Coast of Maine
#ad
16 Quarts, Coast of Maine Sprout Island Organic Seed Starter with All Natural Ingredients for Root Plant Cuttings and Seed Germination
#adCoast of Maine #ad - Seed starter mix: the sprout island Organic Seed Starter Mix is a complex super soil designed for growing fresh root cuttings and seeds. Specifications: mix is omri listed for organic use; made in canada; size: 16 dry quarts 17.6 liters; dimensions l x w x h: 3 x 16 x 21 inches; Weight: 12. 5 pounds. Ready to use: ready to use out of the bag, great for cell packs, trays, or flats.
More information #ad
Formula: formulated with a rich soil mixture that helps grow big and healthy vegetables, kelp meal, herbs, and flowers; Formula includes sphagnum peat moss, perlite, worm castings, and well-aged compost. Organic mix: organic growing mix provides an ideal balance between natural moisture retention and aeration for optimal growth.Brand | Coast of Maine #ad |
Manufacturer | COAST OF MAINE #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 12.5 Pounds |
Width | 0 Inches |
Part Number | SI16 |
Model | CMSISS16QT |
More information #ad
3. Burpee
#ad
Burpee Organic Coconut Coir Concentrated Seed Starting Mix, 16 Quart
#adBurpee #ad - 100% biodegradable soil alternative. Omri listed and certified organic. Once expanded, and more! Naturally disease and pathogen resistant, vegetable, it will help you grow healthy live plants. Organic coconut coir: made from recycled coconut husks, coir is a light, sustainable growing medium that holds the perfect amount of moisture for starting seeds.Easy to store & expand: each compact coconut coir brick expands into 8 quarts of seed starting mix, house plants, coconut coir provides a quality growing medium for all types of plants - indoor plants, outdoor plants, providing 16 quarts total.1
More information #ad
100% guaranteed: burpee is committed to the success of all gardeners. Environmentally-friendly and a renewable alternative to peat moss. If you are unsatisfied with your purchase, plants, we aim to make it right! Naturally conserves water: renewable coco coir has excellent moisture retention and better air circulation than peat. We treat each order with care to ensure healthy seeds, soil mixes & gardening supplies are sent in excellent condition. Just add water to expand! Dehydrated bricks save space until planting. Ideal growing mix: improve seed germination and root growth with this premium coconut fiber mix, which improves nutrients absorption! Great for flower, herb & more plant types. This eco-friendly, premium seeds starting mix combines well with other potting soil and compost for container plants & raised beds.
Brand | Burpee #ad |
Manufacturer | Burpee #ad |
Height | 6 Inches |
Length | 7.25 Inches |
Weight | 2.2 Pounds |
Width | 4 Inches |
Part Number | 13126 |
Model | 13126 |
More information #ad
4. Espoma
#ad
16 Quarts, Espoma ESPSS16 Improved Moisture Retention Organic Seed Starter & Root Growth Premium Potting Mix for Indoor Seed Starting
#adEspoma #ad - All natural for organic gardening. Retains moisture and promotes root growth. For all seedlings and cuttings. Enhanced with myco-tone.More information #ad
Brand | Espoma #ad |
Manufacturer | ESPOMA COMPANY #ad |
Height | 2.75 Inches |
Length | 22 Inches |
Weight | 11 Pounds |
Width | 11.75 Inches |
Part Number | 1380-9017 |
Model | ABCD |
More information #ad
5. Back to the Roots
#ad
Veggies, w/ Nutrient Rich Plant Food, 100% Organic & USA Made for Herbs, Back to the Roots 3-in-1 Seed Starting Mix 12 Quarts, Worm-Castings, Flowers, & Moisture Controlling Yucca
#adBack to the Roots #ad - Features ph balancing dolomitic limestone: the dolomitic limestone of this potting soil has a combination of calcium carbonate and magnesium carbonate which effectively neutralizes acidity and prevent nutrient deficiency. Zero-risk gardening and great for the planet: made in the usa and 100% guaranteed to grow; if you have any problems, we will send you a new bag to get you growing; Mined peatlands contribute yearly CO2 emissions equivalent to what cars all over the world are releasing — that’s why we think it’s so important to leave peat alone and offer the 1st premium, 100% peat-free soil in the market.Mycorrhizae, yucca extract, coconut coir, and coconut coir for strong root development: this organic potting soil has mycorrhizae, and yucca extract which enhances the root's uptake of water and the nutrients required by your plants for growth.
More information #ad
With our growonegiveone campaign, for every photo you share on Instagram or Facebook of your garden growing tag at BacktotheRoots & GrowOneGiveOne we'll donate a Kids Gardening Kit & STEM curriculum to an elementary school classroom of your choice. Nutrient-rich, and organic soil: grow a bountiful garden in your home with the Back to the Roots All-Purpose Natural and Organic Peat-Free 3-in-1 Seed Starting Mix, NATURAL, packed with the nutrients needed for your plants, flowers, and vegetables to thrive. The perfect gift: the perfect holiday gift, tag us and use the campaign hashtag, garden-loving and eco-conscious friends and family; This kit is also part of our Grow One Give One campaign, simply share a picture on social media, it comes in a beautiful packaging so that it's ready to be given to foodie, and we'll donate a kit to a classroom of your choice.
Brand | Back to the Roots #ad |
Manufacturer | Back to the Roots #ad |
Height | 20.5 Inches |
Length | 4 Inches |
Width | 12.5 Inches |
Part Number | 3-in-1 Seed Starting Mix |
Model | 47007 |
More information #ad
6. PREMIER HORTICULTURE
#ad
16 Quart, Premier Horticulture 1016041RGCE Organic Pro Seed Starting Mix
#adPREMIER HORTICULTURE #ad - Enriched with a specially formulated plant food that gradually releases nutrients for up to 9 months. Contains mycoactive to stimulate vigorous growth and greater resistance.More information #ad
Ready-to-use. Formulated with coco fiber that helps manage moisture levels and protects roots from rot. Use on vegetables, herbs, annuals and perennials.Brand | PREMIER HORTICULTURE #ad |
Manufacturer | PREMIER HORTICULTURE #ad |
Height | 17 Inches |
Length | 23 Inches |
Weight | 6.5 Pounds |
Width | 4 Inches |
Part Number | 1016041RGCE |
Model | 1016041RGCE |
More information #ad
7. Purple Cow Organics
#ad
12 Quart Bag, Purple Cow Organics All Natural Seed Starter Mix for Fast Germination and Vigorous Seedlings with Strong Root Systems for Indoor Home Gardens
#adPurple Cow Organics #ad - Blend includes peat moss, vermiculite, perlite, and more providing everything you need to start seeds including enough fertility for up to 45 days.Mix created using activated compost base, a premium soil amendment with over 20 years of growing success, for a stress-free lush garden. Lightweight 25 pound bag is ideal for indoor home gardeners focusing on a smaller garden or container and raised bed gardening.
More information #ad
Jump starts seeds indoor germination and fertilization process, getting them off to a strong start, whether starting in plastic trays or using a soil blocker. Promotes healthy, vigorous seedlings with strong root systems that are able to withstand transplanting and thrive all season long.Brand | Purple Cow Organics #ad |
Manufacturer | Purple Cow Organics #ad |
Height | 18 Inches |
Length | 14 Inches |
Weight | 7 Pounds |
Width | 2 Inches |
Part Number | 00023 |
Model | 00023 |
More information #ad
8. Sun Gro
#ad
1.5 Cu. Ft., Sun Gro Seedling Mix, Black Gold-1411002.CFL001.5P
#adSun Gro #ad - Omri listed organic. Contains organic wetting agent to ensure uniform water penetration. 1. 5 cubic foot bag. Enriched with Resilience for stronger stems and improved root mass. Ideal for root growth in newly germinated seedlings.More information #ad
Brand | Sun Gro #ad |
Manufacturer | Sun Gro #ad |
Height | 26 Inches |
Length | 20 Inches |
Weight | 15 Pounds |
Width | 3.75 Inches |
Part Number | 1411002.CFL001.5P |
Model | 1411002.CFL001.5P |
More information #ad