Mary's Heirloom Seeds Coconut Coir
Best sustainable growing medium for indoor seed starting enthusiasts
This compressed medium is the ultimate space-saver for gardeners who hate hauling heavy bags of soil. It expands dramatically upon hydration, creating an airy, nutrient-rich base that instantly improves drainage in clay or sandy ground. You trade a little prep time for unmatched storage convenience and a sustainable, high-performance soil amendment.
$13.95
Who it's for
- Environmentally conscious gardeners seeking sustainable soil amendments
- Container gardeners looking to reduce frequent watering schedules
- Urban growers with limited storage space for bulky soil bags
Who should skip it
- Impatient planters who prefer ready-to-use potting mixes
- Novice growers who want a pre-fertilized growing environment
- Specialized growers cultivating salt-sensitive plant varieties
Performance breakdown
Expansion Efficiency
Rapidly triples in volume, offering impressive yield from a compact brick.
Storage Convenience
Tightly packed form factor saves significant shelf space in any shed.
Soil Aeration
Creates an airy, fluffy texture that encourages healthy root system development.
Moisture Retention
Balances water levels effectively, preventing both drought stress and waterlogging.
Sustainability Profile
Fully biodegradable and sourced from renewable coconut husks.
Amendment Versatility
Works seamlessly to improve both heavy clay and loose sandy soils.
Key Specs
Weight
1.4 lbs per brick
Material
Coconut coir pith
Expansion
Increases volume 3 to 9 times when hydrated
Soil Type
Coconut Coir
Intended Use
Gardening, Soil amendment
Know before you buy
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