Top 8 Organic Seed Starting Mix – Garden Soil

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1. Espoma


All Natural & Organic Seed Starting Mix with Mycorrhizae. For Organic Gardening, 16 qt, Pack of 1, Espoma Organic Seed Starter Premium Potting Soil Mix

Espoma #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. 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.
BrandEspoma #ad
ManufacturerEspoma #ad
Height13 Inches
Length24 Inches
Weight13 Pounds
Width2 Inches
Part NumberSS16

2. Coast of Maine


16 Quarts, Coast of Maine Sprout Island Organic Seed Starter with All Natural Ingredients for Root Plant Cuttings and Seed Germination

Coast 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. 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.
BrandCoast of Maine #ad
ManufacturerCOAST OF MAINE #ad
Height0 Inches
Length0 Inches
Weight12.5 Pounds
Width0 Inches
Part NumberSI16

3. Burpee


Burpee Organic Coconut Coir Concentrated Seed Starting Mix, 16 Quart

Burpee #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.1100% 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.
BrandBurpee #ad
ManufacturerBurpee #ad
Height6 Inches
Length7.25 Inches
Weight2.2 Pounds
Width4 Inches
Part Number13126

4. Espoma


16 Quarts, Espoma ESPSS16 Improved Moisture Retention Organic Seed Starter & Root Growth Premium Potting Mix for Indoor Seed Starting

Espoma #ad - All natural for organic gardening. Retains moisture and promotes root growth. For all seedlings and cuttings. Enhanced with myco-tone.
BrandEspoma #ad
ManufacturerESPOMA COMPANY #ad
Height2.75 Inches
Length22 Inches
Weight11 Pounds
Width11.75 Inches
Part Number1380-9017

5. Back to the Roots


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

Back 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. 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.
BrandBack to the Roots #ad
ManufacturerBack to the Roots #ad
Height20.5 Inches
Length4 Inches
Width12.5 Inches
Part Number3-in-1 Seed Starting Mix



16 Quart, Premier Horticulture 1016041RGCE Organic Pro Seed Starting Mix

PREMIER 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. Ready-to-use. Formulated with coco fiber that helps manage moisture levels and protects roots from rot. Use on vegetables, herbs, annuals and perennials.
Height17 Inches
Length23 Inches
Weight6.5 Pounds
Width4 Inches
Part Number1016041RGCE

7. Purple Cow Organics


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

Purple 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. 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.
BrandPurple Cow Organics #ad
ManufacturerPurple Cow Organics #ad
Height18 Inches
Length14 Inches
Weight7 Pounds
Width2 Inches
Part Number00023

8. Sun Gro


1.5 Cu. Ft., Sun Gro Seedling Mix, Black Gold-1411002.CFL001.5P

Sun 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.
BrandSun Gro #ad
ManufacturerSun Gro #ad
Height26 Inches
Length20 Inches
Weight15 Pounds
Width3.75 Inches
Part Number1411002.CFL001.5P