Best Gardening Rockwool of 2026

Name: VBRHFRIF 28 Pieces Plant Seed Rock Wool, Rock Wool Planting, Rock Wool Cubes, Rock Wool Cultivation Blocks, Easy To Insert Growth Cubes, Culture Cubes
Brand: VBRHFRIF

Toby Butcher

Last Updated: 5 Feb 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Gardening Rockwool is a versatile and efficient growing medium that is widely used by professional and amateur gardeners alike. Made from spun mineral fibres, it is an excellent alternative to traditional soil-based growing media, particularly for hydroponic and aeroponic systems. Gardening Rockwool is lightweight, sterile, and pH-neutral, making it ideal for starting seeds or rooting cuttings. It also provides excellent water retention and air circulation, ensuring that plants have the necessary moisture and oxygen to thrive. Whether you are a seasoned gardener or just starting out, Gardening Rockwool is an excellent choice for your gardening needs.

At a Glance: Our Top Picks

#TOP 1

VBRHFRIF 28 Pieces Plant Seed Rock Wool, Rock Wool Planting, Rock Wool Cubes, Rock Wool Cultivation Blocks, Easy To Insert Growth Cubes, Culture Cubes

9.9

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VBRHFRIF 28 Pieces Plant Seed Rock Wool, Rock Wool Planting, Rock Wool Cubes, Rock Wool Cultivation Blocks, Easy To Insert Growth Cubes, Culture Cubes

#TOP1

9.9

Read Review

#TOP 2

Starvortex 56 Holes Rockwool Grow Cubes 4 x 4 x 4 cm with Gloves, Stone Rock Wool Planting Cubes for Hydroponics Garden Tower Supplies, Soilless Planting Seedling Greenhouse for Tomatoes Herbs Orchids

9.8

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#TOP2

9.8

Read Review

#TOP 3

ANAJOY 50 or 100 Holes Rockwool Grow Cubes, Hydroponic Growing Greenhouse Soilless Cultivation Mini Compress Base Stonewool Starter Cubes for Plants Starting/Root Cuttings/Plant Growth(50 Holes)

9.6

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ANAJOY 50 or 100 Holes Rockwool Grow Cubes, Hydroponic Growing Greenhouse Soilless Cultivation Mini Compress Base Stonewool Starter Cubes for Plants Starting/Root Cuttings/Plant Growth(50 Holes)

#TOP3

9.6

Read Review

Top 10 Gardening Rockwool

#TOP 1

VBRHFRIF 28 Pieces Plant Seed Rock Wool, Rock Wool Planting, Rock Wool Cubes, Rock Wool Cultivation Blocks, Easy To Insert Growth Cubes, Culture Cubes

VBRHFRIF

Wood Color

VBRHFRIF 28 Pieces Plant Seed Rock Wool, Rock Wool Planting, Rock Wool Cubes, Rock Wool Cultivation Blocks, Easy To Insert Growth Cubes, Culture Cubes

9.9

FTB Score

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Features

[Product Material] The Seedling Cotton Block Is Made Of Rock Wool Material, Which Has Good Air Permeability And Moisture Retention Properties, Supporting The Healthy Growth Of Plant Roots. Durable And Environmentally Friendly, Suitable For Long Term Use.

[Product Contents] You Will Receive 28 Pieces Of Rock Wool For Plant Sowing. The Size Of Each Rock Wool Is 40 X 40 X 40 Mm And The Color Is Wood Color. It Is Suitable For Plant Sowing And Plant Cultivation.

[Wide Application] Ideal For Home Gardening, Greenhouse Cultivation And Commercial Farming. Whether Vegetables, Flowers Or Other Plants, These Rockwool Cubes Can Be Used For Sowing And Cultivation To Improve The Planting Effect.

[Efficient Cultivation] This Product Is Designed For Efficient Cultivation Of Plants And Can Provide Stable Support And A Suitable Growing Environment. The Pore Structure Of Rock Wool Helps Roots Breathe And Distribute Water Evenly, Promoting Rapid Plant Growth.

[Easy To Use] This Set Is Easy To Use. Simply Place The Seeds Into The Holes Of The Rockwool Cubes And Ensure Appropriate Humidity For Sowing And Cultivating The Plants. Easy To Handle And Maintain, Suitable For Various Planting Needs.

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#TOP 2

Starvortex 56 Holes Rockwool Grow Cubes 4 x 4 x 4 cm with Gloves, Stone Rock Wool Planting Cubes for Hydroponics Garden Tower Supplies, Soilless Planting Seedling Greenhouse for Tomatoes Herbs Orchids

Starvortex

XC-HK043-56-EU

Brown

Starvortex 56 Holes Rockwool Grow Cubes 4 x 4 x 4 cm with Gloves, Stone Rock Wool Planting Cubes for Hydroponics Garden Tower Supplies, Soilless Planting Seedling Greenhouse for Tomatoes Herbs Orchids

9.8

FTB Score

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Features

[56 Starter Cubes & Free Gloves] Get 56 Pre-Cut Cubes (no Messy Trimming!) And A Pair Of Protective Gloves. Each Cube's 4cm Size Offers Ample Space For Seeds, Clones, Or Cuttings To Thrive—ideal For Both Small-Scale Home Setups And Serious Growers.

[Premium-Grade Rockwool Cubes] Crafted From High-Temperature-Treated Stone Wool Material, Our 4x4x4cm Cubes Are Inorganic, Sterile, And Eco-Friendly. Lightweight Yet Durable, They Retain Nutrients And Oxygen While Resisting Root Rot—perfect For Fuss-Free Hydroponics Or Soil-Free Growing.

[Superior Water & Oxygen Control] With A Porous Structure And High Water Retention, These Cubes Soak Up Nutrient Solutions Fast (just Soak For 1-2 Mins!) While Holding Plenty Of Oxygen. No More Root Curling—just Rapid Growth And Stress-Resistant Seedlings.

[Proven For Success] Loved By Urban Gardeners And Commercial Growers Alike, These Cubes Slash Seedling Failure Rates. Boost Germination Speed, Reduce Transplant Shock, And Enjoy Healthier Plants—all In One Affordable Kit!

[Plug-And-Play Versatility] Ready For Tomatoes, Herbs, Orchids, Or Microgreens? Use Them For Germination, Cloning, Or Transplanting. The Neutral pH Ensures Compatibility With Any Plant, And They're Easy To Move To Soil Or Hydroponic Systems Later.

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#TOP 3

ANAJOY 50 or 100 Holes Rockwool Grow Cubes, Hydroponic Growing Greenhouse Soilless Cultivation Mini Compress Base Stonewool Starter Cubes for Plants Starting/Root Cuttings/Plant Growth(50 Holes)

ANAJOY

16252140445895

50 Holes

free size

ANAJOY 50 or 100 Holes Rockwool Grow Cubes, Hydroponic Growing Greenhouse Soilless Cultivation Mini Compress Base Stonewool Starter Cubes for Plants Starting/Root Cuttings/Plant Growth(50 Holes)

9.6

FTB Score

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Features

[Rockwool Plants Starter Plugs] - The Bulk Density Is Small, The Texture Is Light, And The Porosity Is Large. Good Air Permeability, Strong Water Absorption And Good Drainage. Great For Rooting Cutting Clone Plants, Plants Germination And More. Encourages Faster Initial Rooting. The Purpose Is To Meet The Needs Of The Plant In The Different Plant Stages.

[Rockwool Grow Cubes Starter Sheets] - Made From Molten Rock Spun Into Cotton Candy-Like Fibers And Then Compressed Into Cubes. After High Temperature Treatment. Size About 25x25x40mm, Perfectly Sized To Fit A Standard Flat Growing Tray. Suitable For The Cultivation And Colonization Of All Kinds Of Plants.

[Use Instructions] - 1. Preparing And Planting In Rock Cubes； 2. Soak In Water For 2 Minutes; 3.Take Out From The Water And Place For About 15minutes; 4. Put-Plants Into The Hole Of Cubes; 5. Spray Water After Plants Inserted; 6. Place It In A Plant Tray. Rockwool Grow Cubes Starter Sheets For Cuttings/ Cloning/ Plant Propagation, Plants Starting Hydroponic Grow Media Growing Medium For Vigorous Plant Growth.

[Soilless Cultivation Cube/ Hydroponic Grow Rockwool Cubes Soilless Cultivation Compress Base] - It Has A Tremendous Capacity For Absorbing Nutrient Solution While Retaining Plenty Of Oxygen For Rapid Plant Growth. Much Easier Than Starting In Soil, Predrilled Planting Holes Make Seeding And Plant Propagation A Breeze. Great For Hobby And Commecial Growers.

[Package Includes] - 50 Pcs Or 100 Holes X Rock Wool Cubes; Inorganic Growing Cube, Rockwool Plants Starter Plugs Hydroponic Growing Soilless Cultivation Compress Base For Vigorous Plant Growth, Hydroponics Cutting Cubes Tray, Cultivation Compress Base Grow Sheet Block Rockwool Cubes Soilless.

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#TOP 4

RUCUDIM Rockwool Cube, Rock Wool Set, Rock Wool Growing Propagation Mat, Bottomless Hydroponics Propagation Mat, Rockwool Cube, Rockwool Cube for Cuttings, Cloning, Propagation, 4 x 4 x 4 cm, Pack of

RUCUDIM

Green

RUCUDIM Rockwool Cube, Rock Wool Set, Rock Wool Growing Propagation Mat, Bottomless Hydroponics Propagation Mat, Rockwool Cube, Rockwool Cube for Cuttings, Cloning, Propagation, 4 x 4 x 4 cm, Pack of

9.5

FTB Score

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Features

Strong Water Absorption: Rockwool Grow Cubes Have An Enormous Capacity To Absorb Nutrient Solution While Retaining Plenty Of Oxygen For Fast Plant Growth. Rock Wool Cubes Can Be Cut Individually Into Blocks, They Can Help Your Plants Grow Healthily.

Premium Material: The Basalt Wool Product Is Made Of High-Quality Basalt Fibres, Which Are Soft And Evenly Textured, Have Good Water Absorption And High Air Permeability And Have A Stable pH Value. Stone Wool Mat Provides An Ideal Environment For Germination.

Wide Application: These Rock Wool Leaf Cultivation Mats Are Versatile And Support A Wide Range Of Plant Types At Different Growth Stages. They Are Therefore An Excellent Choice For Hobby Users And Commercial Breeders.

Optimal Culture: Rock Wool Cubes, The Unique Structure Of The Rock Wool Cubes Promotes Healthy Root Development And Facilitates The Plants A Successful Cultivation Phase. Our Rockwool Cubes Are Ideal For School DIY Projects, Indoors, Home And More.

Compressed Peat Blocks Made Of Non-Woven Fabric: After Soaking, They Expand To A Loose, Porous State And Have Good Properties In Terms Of Air Permeability, Water Permeability For Roots. The Seedling Blocks To Meet Your Planting Needs In Different Scenarios.

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#TOP 5

FENGSHENG-SHOP 200 Holes Rockwool Grow Cubes 2.5 x 2.5 x 2.5 cm, Stone Rock Wool Planting Cubes for Hydroponics Garden Tower Supplies, Soilless Planting Seedling Greenhouse for Tomatoes Herbs Orchids

FENGSHENG-SHOP

stone wool planting cubes

Earthy Yellow

2.5x2.5x2.5cm

FENGSHENG-SHOP 200 Holes Rockwool Grow Cubes 2.5 x 2.5 x 2.5 cm, Stone Rock Wool Planting Cubes for Hydroponics Garden Tower Supplies, Soilless Planting Seedling Greenhouse for Tomatoes Herbs Orchids

9.5

FTB Score

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Features

200 Starter Cubes: Get 200 Pre-Cut Cubes (no Messy Trimming!). Each Cube's 2.5cm Size Offers Ample Space For Seeds, Clones, Or Cuttings To Thrive—ideal For Both Small-Scale Home Setups And Serious Growers

Grade Rockwool Cubes: Crafted From High-Temperature-Treated Stone Wool Material, Our 4x4x4cm Cubes Are Inorganic, Sterile, And Eco-Friendly. Lightweight Yet Durable, They Retain Nutrients And Oxygen While Resisting Root Rot—perfect For Fuss-Free Hydroponics Or Soil-Free Growing

Water & Oxygen Control: With A Porous Structure And High Water Retention, These Cubes Soak Up Nutrient Solutions Fast (just Soak For 1-2 Mins!) While Holding Plenty Of Oxygen. No More Root Curling—just Rapid Growth And Stress-Resistant Seedlings

Proven For Success: Loved By Urban Gardeners And Commercial Growers Alike, These Cubes Slash Seedling Failure Rates. Boost Germination Speed, Reduce Transplant Shock, And Enjoy Healthier Plants

Plug-And-Play Versatility: Ready For Tomatoes, Herbs, Orchids, Or Microgreens? Use Them For Germination, Cloning, Or Transplanting. The Neutral pH Ensures Compatibility With Any Plant, And They're Easy To Move To Soil Or Hydroponic Systems Later

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#TOP 6

WANGCL 50pcs Rockwool Starter Plugs Agricultural Soilless Culture Hydroponic Cylindrical Hydroponic Seedling Block

WANGCL

HOY26977

WANGCL 50pcs Rockwool Starter Plugs Agricultural Soilless Culture Hydroponic Cylindrical Hydroponic Seedling Block

9.5

FTB Score

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Features

Size：each Is 2x3cm/0.7x1.1inch.

Material： Made Of Rock Wool Material, Spun Into Fibers, And Then Pressed Into A Soft Block, Which Is An Inorganic Sterile Growth Medium At Extremely High Temperatures.

Wide Range Of Use:Suitable For Cuttings, Cloned Plants, Germinated Seeds, Etc. Easy To Carry And Portable.

Package Includes：You Will Receive 50 Pieces Of Rock Wool Blocks, Better Meet Your Planting Needs.

Easy To Use：Plant Inserts Can Be Directly Sown, Simplifying The Process Of Raising Seedlings And Saving Time And Effort.

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#TOP 7

Hortiwool 100% Wool Felt Garden Pad (5pack) - 100% British Wool - Fleece Matting for use in Garden, Home & Crafts

Hortiwool

Hortiwool 100% Wool Felt Garden Pad (5pack) - 100% British Wool - Fleece Matting for use in Garden, Home & Crafts

9.3

FTB Score

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Features

100 Percent British Wool

Each Wool Pad Is 270 X 660mm - 5 Pads Per Pouch

Versatile Wool Pads For Use In Garden, Home & Crafting

Use For Pipe, Frost & Slug Protection, Hanging Basket Lining, Mulching, In Allotments, Soil Enhancer Or As A Kneeling Pad. Use For Crafting - Cushion Stuffing & Felting

Delivery On Orders 50 Or Over

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#TOP 8

Windspeed 120Pcs Rockwool Planting Cubes Set 1 Inch, rock wool seed starter cubes Set for Rooting Starting Seeds Include 50P Rockwool Cubes 50P 1.5 In Hydroponics Basket 20 Plant Tags 1 Tweezers

Windspeed

BUKWY-120P Rockwool Planting Cubes

Yellow

Windspeed 120Pcs Rockwool Planting Cubes Set 1 Inch, rock wool seed starter cubes Set for Rooting Starting Seeds Include 50P Rockwool Cubes 50P 1.5 In Hydroponics Basket 20 Plant Tags 1 Tweezers

9.2

FTB Score

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Features

[ Easy To Transplant ]: The Rock Wool Seed Starter Cubes Has Excellent Water Absorption, Good Moisturizing Properties, And Breathability, Allowing Seeds To Have Sufficient Water Development, Promoting Rapid Root Development, And Improving The Success Rate Of Transplantation.

[ Beneficial For Rooting ]: The 1.5 Inch Hydroponics Basket Is Made Of Flexible Materials, Which Are Sturdy And Durable. At The Same Time, The Bottom And Sides Have Added Mesh Designs, Which Are Conducive To The Growth And Development Of Planting Roots. A Well-Developed Root System Will Greatly Increase The Survival Rate Of Plants.

[ Well Made ]: The 1 Inch Rock Wool Planting Cubes Is Made Of Inorganic Fibers, And Glass Fibers Free. The Material Is Safe And Has Good Breathability And Moisture Retention, Soft, And Texture. These Rockwool Grow Cubes Can Be Planted As A Whole Or Individually (requires Scissors To Cut And Cannot Be Torn By Hand).

[ Various Plant Kit ]: The Rock Wool Seed Starter Kit Include 50 Pcs Rockwool Starter Plugs 1 Inch, 50 Pcs Hydroponics Net Cups 1.5 Inch, 20 Pcs Plant Name Tags, And 1 Tweezers.

[ Size Information ]: 1.0×1.0 Inch Rock Wool Planting Cubes (50 Grids), 1.5×2.0 Inch Hydroponics Basket, 2.3×3.7 Inch Hydroponic Tags, 4.5 Inch Tweezers.

[ Extensively Applicable ]: The Rock Wool For Hydroponic Growing Has A Wide Range Of Uses And Can Be Widely Used To Cultivate Various Types Of Vegetables, Herbaceous Seedlings, Flowers, Etc. It Is An Essential Planting Tool For Enthusiasts Who Are Interested In Planting.

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#TOP 9

Hilai Rockwool Starter Plugs, Rockwool Cube Propagation Hydroponic Block Vegetables Cylindrical Seedling Greenhouses Cultivation System Gardening Accessories 50pcs

Hilai

OXTQ51CN0519U2A

As Show

Hilai Rockwool Starter Plugs, Rockwool Cube Propagation Hydroponic Block Vegetables Cylindrical Seedling Greenhouses Cultivation System Gardening Accessories 50pcs

9.0

FTB Score

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Features

Rockwool Cube Spins The Melted Rock Into Cotton Candy-Like Fibers, Which Are Then Compressed Into Cubes. Improved Homogeneity And Best Robustness And Flexibility

Hydroponic Soilless Culture Block Is Widely Used In Sowing And Transplanting, And It Is The Best Choice To Achieve Uniform Seeding Effect

The Shape And Strength Of The Cylindrical Seedling Has Been Greatly Improved, And It Is More Stable

Rockwool Starter Plugs Is Clean And Environmentally Friendly, Easy To Use

Rock Wool Propagation Block Retains Moisture And Provides Good Ventilation To Promote Healthy Root Growth. Soilless Culture Block Is An Excellent Choice For Improving The Homogeneity Of Soilless Culture

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#TOP 10

50/100 Pieces Rockwool/Stonewool Grow Propagation Cubes Starter Sheets,Hydroponic Grow Rockwool Cubes Soilless Cultivation Compress Base,Hydroponic Grow Cuttings,Cloning,Plant Propagation (100 pcs)

Generic

TJW-GARDEN-HYDRO-50-PODS

Green

100 pcs

50/100 Pieces Rockwool/Stonewool Grow Propagation Cubes Starter Sheets,Hydroponic Grow Rockwool Cubes Soilless Cultivation Compress Base,Hydroponic Grow Cuttings,Cloning,Plant Propagation (100 pcs)

8.8

FTB Score

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Features

After High Temperature Treatment, Non-Toxic And Sterile.

Made From Molten Rock Spun Into Cotton Candy-Like Fibers And Then Compressed Into Cubes.

The Bulk Density Is Small, The Texture Is Light, And The Porosity Is Large.

Suitable For The Cultivation And Colonization Of All Kinds Of Plants.

Great Choice For Soilless Planting.

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Frequently Asked Questions (FAQs)

1. What grows well in rockwool?

Rockwool is a widely utilized substrate in commercial horticulture for the production of crops as diverse as tomatoes, melons, cucumbers, peppers, strawberries, herbs and cut flowers; however it can also easily be used by smaller hydroponic growers wanting to take advantage of improved root zone technology.

2. Is rockwool toxic?

The EPA has classified refractory ceramic fibers as probable human carcinogens. The International Agency for Research on Cancer (IARC) has determined glass filaments, glass wool, rock wool, and slag wool to not be classifiable as to their carcinogenicity to humans (Group 3).

3. Is rockwool better than soil?

Pros of Using Soil It doesn't require a complex setup to get started and it's forgiving in case you feed the plant too many nutrients. That's a stark contrast with rockwool in most cases, as the hydroponic setups rockwool is most often used with cannot recover as easily in the case of excessive nutrition.

Editor's Notes

During our gardening rockwool research, we found 98 gardening rockwool products and shortlisted 10 quality products. We collected and analyzed 3,371 customer reviews through our big data system to write the gardening rockwool list. We found that most customers choose gardening rockwool with an average price of £10.64.

The gardening rockwool are available for purchase. We have researched hundreds of brands and picked the top brands of gardening rockwool, including VBRHFRIF, Starvortex, ANAJOY, RUCUDIM, FENGSHENG-SHOP.

Written by

Toby Butcher

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.