Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Mary's Heirloom Seeds

Products

Products

Mary's Heirloom Seeds

Coconut Coir Bricks

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$7.95

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Purchase at Mary's Heirloom Seeds

Description

*NEW* smaller, more convenient bricks

Coconut coir growing medium comes from the coconut's fibrous husk (known as coir) that is bound together by lignin (known as pith). After the husk is immersed in water for 6 weeks, the fiber is extracted mechanically, and the pith is left behind as a waste product and stored in heaps to age. Since the...

Delivery & Returns

Visit Mary's Heirloom Seeds for full shipping details

Shipping calculated at checkout

Mary's Heirloom Seeds

5 (899)

You might also like

13% off

Mary's Heirloom Seeds

BULK Coconut Coir Bricks

Mary's Heirloom Seeds

Coconut Coir Pellets-100

(1)

Pandy's Garden Center

Smart Pot® Transplanter

(1)

Mary's Heirloom Seeds

Plant Markers

Southern Seeds

Southern Seeds

4.7

(5.8K)

Blueberry Cheesecake Zinnia – 100 Seeds seed packet from Seed Therapy – American-grown, heirloom seeds

Blueberry Cheesecake Zinnia – 100 Seeds seed packet from Seed Therapy – American-grown, heirloom seeds

Raspberry Sorbet Zinnia - 100 Seeds seed packet from Seed Therapy – American - grown, heirloom seeds

Lavender Zinnia – 100 Seeds seed packet from Seed Therapy – American - grown, heirloom seeds

Blushing Bride Zinnia Mix - 100 Seeds seed packet from Seed Therapy – American - grown, heirloom seeds

|| https://assets.gardeners.com/transform/eae79e60-8b57-4d2f-9fe8-c59fda0c851b/40-136_9000-tif

Gardeners Supply

Coco Coir Bricks, Set of 12

Pandy's Garden Center

Perl-Lome Perlite

Mary's Heirloom Seeds

25-Gallon Short Aeration Grow Bag w/Handles (TAN 16.5H x 21D)

Mary's Heirloom Seeds

Plant Snips

(1)

Exclusive offer available

Midwest Grow Kits

Wholesale Pallet of 5KG Premium Gro-Med Coco Coir Bricks (220 Bricks)

(1)

$1,299.99$1,499.99

Exclusive offer available

noomoriey

🔥LAST DAY 49% OFF🌱Premium Organic Coconut Coir Bricks for Plants

Bentley Seeds

4.8

(1.4K)

Black-Eyed Susan Seed Packets seed packet

Black-Eyed Susan Seed Packets seed packet

Help Save the Butterflies garden seeds

Corn, Pearls and Gold Seed Packets seed packet

Seeds of Remembrance Memorial garden seeds

Mary's Heirloom Seeds

Mary's Plant Food 4-6-2

Exclusive offer available

kate-minimalist

Organic Coco Coir 6 Pcs Compressed Coconut Coir Bricks Coconut Fiber Husk Substrate Mulch Coconut Bark Core Growing Medium Peat Moss Soil High Nutrition for Plants Gardening Seed Starting Soil Mix

Mary's Heirloom Seeds

Coconut Coir Pellets-25

6% off

Mary's Heirloom Seeds

Coconut Coir Pellets-50

GreenStalk Garden

GreenStalk Garden

GreenStalk Garden

4.9

(21.8K)

GreenStalk Trellis

GreenStalk Trellis

GreenStalk Seed House

GreenStalk Berry Cup - Set of 6

GreenStalk Mover

Mary's Heirloom Seeds

Greensand

Mary's Heirloom Seeds

XL Coconut Coir Brick - New

(3)

Kineo's Garden Center

Thunder Acres coco coir brick 650g

Pandy's Garden Center

Mica-Grow Vermiculite

Mary's Heirloom Seeds

Fish Fertilizer 7-7-2

MIgardener

Blue Oyster 'Plant & Grow' Mushroom Starter Block

Renee's Garden

4.7

(1.3K)

Pandy's Garden Center

Coco Coir Brick

Mary's Heirloom Seeds

The Gardener's Logbook - Floral

MP Substrates

Compressed 4.5kg coconut coir bricks

(1)

Sproutpeople

Coconut Coir Growing Medium

(5)

MIgardener

MIgardener

4.8

(34.6K)

Seeds Ireland

Coco Coir Brick - 10 Litre

(12)

Pandy's Garden Center

Fox Farm - Happy Frog Soil Conditioner

Mary's Heirloom Seeds

Kelp Meal

16% off

Mary's Heirloom Seeds

15-Gallon Fabric Pot/Plant Grow Bags w/Handles (5 pack)

Exclusive offer available

hpsgoods

🔥LAST DAY 49% OFF🌱Premium Organic Coconut Coir Bricks for Plants

Pandy's Garden Center

Bagged Pine Bark Mini Nuggets

Alliance of Native Seedkeepers

4.7

(2.5K)

Gray Bean Seeds - Pole - Cherokee Trail of Tears Beans Alliance Of Native Seedkeepers Vegetable Seeds

Gray Bean Seeds - Pole - Cherokee Trail of Tears Beans Alliance Of Native Seedkeepers Vegetable Seeds

Pepper Seeds - Sweet - Keystone Giant - Alliance of Native Seedkeepers - Vegetable Seeds

Tomato Seeds - Indeterminate - San Marzano - Alliance of Native Seedkeepers

Bean Seeds - Pole - Winged - Alliance of Native Seedkeepers - Vegetable Seeds

MIgardener

Organic Italian Oyster Mushroom Sawdust Spawn

(4)

135 or 200 x 11 lbs Bulk Bricks Coconut Coir - Organic Material for High Quality Plant Growth - Coco Coir Hydroponics Kikbo

Kikbo

135 or 200 x 11 lbs Bulk Bricks Coconut Coir - Organic Material for High Quality Plant Growth - Coco Coir Hydroponics

Pandy's Garden Center

Canadian Sphagnum Peat Moss Organic

MIgardener

Organic Reishi Mushroom Grow Kit Fruiting Block

MIgardener

Reishi 'Plant & Grow' Mushroom Starter Block

MIgardener

Organic Golden Enoki Mushroom Grain Spawn

Mary's Heirloom Seeds

6 Cell Germination Trays

The curated dining table

The curated dining table

Dinnerware, glasses, and flatware.

Mary's Heirloom Seeds

Mountain Flower - Calcium & Magnesium

Mary's Heirloom Seeds

10-Gallon Fabric Pot/Plant Grow Bags w/Handles (5 pack)

Mary's Heirloom Seeds

Bone Meal

Pandy's Garden Center

Root Pouch Synthetic Blend Multi Use Fabric Container

Mary's Heirloom Seeds

Endo-Mycorrhizae

27% off

Mary's Heirloom Seeds

5-Gallon Fabric Pot/Plant Grow Bags w/Handles (5 pack)

Pinetree Garden Seeds

Pinetree Garden Seeds

4.5

(7K)

Hardneck Garlic - Music (Fall Planting) - Fall

Hardneck Garlic - Music (Fall Planting) - Fall

Agro-Fabric Pro 19 Row Cover - Supplies

Hardneck Garlic- German White (Fall Planting) - Bulb

12 Year Weed Barrier - Earthtone - Supplies

|| https://assets.gardeners.com/transform/bcde8a6b-6455-4346-9e9f-9aabdbccdb65/40135_003S_001E_coco-coir-seed-starting-mix-tif

Gardeners Supply

Coco Coir Seed Starting Mix

MIgardener

Organic Blue Oyster Mushroom Fruiting Block

18% off

Mary's Heirloom Seeds

Back to Basics Homestead Pack

15% off

Mary's Heirloom Seeds

High Performance Garden & Work Gloves "Women's Work"

MIgardener

Organic King Trumpet Mushroom Grow Kit Fruiting Block

Mary's Heirloom Seeds

10X10 Growing Trays

Pandy's Garden Center

Root Riot® Plant Starter Cubes

Mary's Heirloom Seeds

Langbeinite

Bar cart basics

Bar cart basics

Carts, glassware, and bottle storage.

Mary's Heirloom Seeds

Blood Meal

Pandy's Garden Center

Wiggle Worm Pure Worm Castings Organic Fertilizer

MIgardener

Organic Red Reishi Mushroom Grain Spawn

Organic Coco Coir 1 Pcs Compressed Coconut Coir Brick Coconut Fiber Husk Substrate Mulch Coconut Bark Core Growing Medium Peat Moss Soil High Nutrition for Plants Gardening Seed Starting Soil Mix - Just Closeouts Canada Inc.

53% off

Just Closeouts Canada Inc.

1 Pcs Compressed Coconut Coir Brick Coconut Fiber Husk Substrate Mulch Coconut Bark Core Growing Medium Peat Moss Soil High Nutrition for Plants Gardening Seed Starting Soil Mix

MIgardener

Organic Chestnut Mushroom Grow Kit Fruiting Block

Exclusive offer available

Midwest Grow Kits

Premium Coir Brick (650g)

(13)

HOSS

HOSS

HOSS

4.7

(12.4K)

Open Seeds of the Month subscription box featuring four fall seed varieties—carrots, radishes, spinach, and lettuce—alongside a Hoss Gardening Club fall gardening guide.

Open Seeds of the Month subscription box featuring four fall seed varieties—carrots, radishes, spinach, and lettuce—alongside a Hoss Gardening Club fall gardening guide.

Inchelium Red Garlic

1015Y Texas SuperSweet Onion

Green Magic Broccoli

Exclusive offer available

US Citrus Nursery

Organic Coco Bricks | 80/20 Coir & Fiber Mix | Seed Starter & Soil Amendment

(4)

MIgardener

Organic Beech Mushroom Grain Spawn

5% off

Mary's Heirloom Seeds

DIY Starter Pods-100

Pandy's Garden Center

Fox Farm - Coco Loco Potting Mix

Mary's Heirloom Seeds

Alfalfa Meal, Non-GMO

Mary's Heirloom Seeds

Parsley, Sage, Rosemary & Thyme

4% off

Mary's Heirloom Seeds

XL Garden in a Bag Starter Kit with Root Boost

Sculptural lamps under $150

Sculptural lamps under $150

Mushroom lamps, orb bases, and pleated cones.

MIgardener

Organic Pink Oyster Mushroom Grow Kit Fruiting Block

13% off

Mary's Heirloom Seeds

2025 Seed Starter Kit

AquaTerra Farm

Organic Coco Coir Brick (~10 lbs)

Mari's Gardens

Coco Coir

MIgardener

Pink Oyster 'Plant & Grow' Mushroom Starter Block

(1)

MIgardener

Organic King Trumpet Mushroom Grain Spawn

Bootstrap Farmer

Bootstrap Farmer

4.9

(3.3K)

1020 No Hole

1020 No Hole

1010 Deep with holes

Black 1020 Microgreen shallow with holes

Humidity Dome