10 Best seed starting mix (2025)

• 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. 100% biodegradable soil alternative. Environmentally-friendly and a renewable alternative to peat moss. OMRI listed and certified organic.
• IDEAL GROWING MIX: Improve seed germination and root growth with this premium coconut fiber mix, which improves nutrients absorption! Great for flower, vegetable, herb & more plant types. OMRI listed. Naturally disease and pathogen resistant, it will help you grow healthy live plants.
• EASY TO STORE & EXPAND: Each compact coconut coir brick expands into 8 quarts of seed starting mix, providing 16 quarts total. Just add water to expand! Dehydrated bricks save space until planting. Once expanded, coconut coir provides a quality growing medium for all types of plants - indoor plants, house plants, outdoor plants, and more!
• NATURALLY CONSERVES WATER: Renewable coco coir has excellent moisture retention and better air circulation than peat. This eco-friendly, premium seeds starting mix combines well with other potting soil and compost for container plants & raised beds.
• 100% GUARANTEED: Burpee is committed to the success of all gardeners. We treat each order with care to ensure healthy seeds, plants, soil mixes & gardening supplies are sent in excellent condition. If you are unsatisfied with your purchase, we aim to make it right!

• 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.
• MYCO-TONE: A blend of endo & ecto mycorrhizae.
• WHEN TO USE: Use to germinate and start seeds. Great for flower, vegetable, herb & more plant types. Can also be used to root stem and leaf cuttings.
• PROMOTE ROOT GROWTH: Organic seed starter mix ensures ideal moisture retention and aeration.
• ORGANIC GARDENING: Contains a rich blend of only the finest natural ingredients. No synthetic plant foods or chemicals are used.

• A balanced pH, which means it’s truly all-purpose. Use alone or as an amendment for anything in a pot or in the ground — vegetables, flowers, herbs, and even starting seeds.
• Expands to 12 Quarts
• Peat Free OMRI Listed, assuring organic production, handling, and processing
• 100% SATISFACTION GUARANTEE: If you are not satisfied or have any issues with this Organic Coconut Coir, just shoot us a note and our dedicated customer support team will make sure we get you growing or send you a refund/replacement.

• READY TO USE MIXTURE - The same formulation as used by professional growers
• PROMOTES SEED GROWTH - Our special mix provides excellent seed germination and growth of young seedlings
• PROVIDES AERATION AND MOISTURE RETENTION - Contains peat moss, perlite and vermiculite for optimum control
• PH CONTROLLED - Balanced ph levels for a broad spectrum of different plant types
• BAG SIZE - 4 Dry Quarts

• ALL-NATURAL MIX: Burpee Organic Premium Potting Mix is formulated with plant food & coconut coir to promote seed & root growth and healthy flower, vegetable & herb plants. OMRI Listed for organic use. This premium mix releases essential nutrients immediately.
• PERFECT FOR CONTAINERS: Use this growing mix for planting in containers or raised beds. The potting soil feeds plants instantly, then provides a slow release plant food that feeds for up to 3 months. Whether you're growing organic herbs, vegetable seeds or flowers in raised beds or patio containers, this growing mix will make the job a breeze.
• RETAINS MOISTURE: Sustainable coconut coir helps hold the perfect amount of water for potted plants, indoor or outdoors. Coconut coir is an organic and sustainable resource that helps maintain moisture between waterings for vibrant flowers and delicious vegetables and herbs.
• TIP FOR FLOWER POTS: Use flowers and foliage of varying heights to add dimension to your container. Place tall plants in the middle or back, mounding plants all around and spilling plants at the edge. Your live flowers will thrive with this premium potting mix.
• 100% GUARANTEED: Burpee is committed to the success of all gardeners. We treat each order with care to ensure healthy seeds, plants & gardening supplies are packaged and sent in excellent condition. If you are unsatisfied with your purchase, we aim to make it right!

• PREMIUM INGREDIENTS: This specifically crafted organic compost blend for seed germination and rooting cuttings is carefully formulated to provide essential nutrients that supports seedling development, drainage and aeration.
• READY TO USE SEEDLING SOIL: Coast of Maine Organic Seed Starting Mix is ready to use in cell packs, trays or flats. This nutrient starter charge includes mycorrhizae, worm castings, kelp & fully cured compost for healthy growing plants.
• EARTH FRIENDLY COMPOST FOR SOIL: OMRI listed for organic use, our organic potting soil for annuals reflects Coast of Maine's commitment to nature-conscious, responsible gardening practices.
• HARVESTING A BRIGHTER FUTURE: Since 1996, Coast of Maine has been dedicated to sustainable, regenerative practices that nourish healthy plants. Our indoor and outdoor gardening products are made with all-natural components, providing a sustainable, planet-friendly solution for enriching garden soil. Our commitment to quality and environmental stewardship ensures that every product supports a healthier garden and planet.

• Premium Quality Organic Seed Starter: a top-quality seed starter for all types of plants, ensures a quick & vigorous germination of all seeds types
• High-Performance Seed Starter: Light weight & clean seed starter is chosen by top growers & producers. Perfect seed starter for vegetables, hemp, flowers, bulbs & plant cuttings.
• All Natural & Organic: Organic seed starter derived from milled live Sphagnum Moss, not peat, making it an ideal organic seed starter for hard to germinate or expensive seeds.
• Exceptional water retention controls overwatering that can kill seedlings while encouraging strong root growth, resulting in healthier & sturdier plants. Easy step-by-step illustrated instructions. Just add water.
• Chosen by Professionals: Premium seed starting mix has been used successfully by gardeners for over 70 years & is a top choice among professional growers & garden clubs

This Espoma 16 qt. Organic Seed Starter Premium Potting Mix (2) is a top choice in . Customers appreciate its quality, performance, and value.