Top 10 Lava Rocks for Plants – Kitchen & Dining Features

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1. Hoffman

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2 Quarts, Hoffman 14452 Volcanic Lava Rock

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Hoffman #ad - This product weighs 2 quarts. Volcanic lava rock. This product weighs 2 quarts. A great decorative moisture retainer for potted or beeded plants. Bright red lava rock.
BrandHoffman #ad
ManufacturerHoffman #ad
Height15 Inches
Length2 Inches
Weight2.4 Pounds
Width9 Inches
Part Number14452
Model14452

2. TOYPOPOR

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Black Horticultural Lava Rock Soil Additive for Cacti Succulents Plants No Dyes or Chemicals 100% Pure Volcanic Rock 2.2LB Top Dressing

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TOYPOPOR #ad - Red volcanic rock great as a ground cover or for garden paths and planter beds. Helps to maintain moisture, aerate soil, prevent erosion, and improve drainage. Useful and size: the black lava rock is 2. 2lb. Easy to maintain -- focus on the most satisfying part of maintaining a plant.

Ideal drainage -- the porosity of lava rocks allows for excellent drainage while maintaining moisture within soil to allow your newly potted, acid-loving plants to cultivate and flourish. Bonsai jack lava rock soil additive can be mixed with ingredients such as pine bark fines, granite grit, calcined clay, and or dirt to create soil specific to your needs. Customizable mix -- lava rock is used as a soil additive or top dressing in the art of bonsai.

Adding porous lava rocks instead of mulch to maintain plants like orchids, cacti, succulents, and bonsai trees ensures proper drainage while maintaining moisture. Multi-use -- the temperature tolerance and quality of Bonsai Jack lava rocks make it useful for filling aquariums, ashtrays, fire media, fire pits, garden soil amendment, in addition to top dressing for plants.
BrandTOYPOPOR #ad
ManufacturerTOYPOPOR #ad

3. Bonsai Jack

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No Dyes or Chemicals, Black 1/4 inch Horticultural Lava Rock Soil Additive for Cacti, Succulents and Plants, 100% Pure Volcanic Rock 2 Dry Quarts, Bonsai Jack

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Bonsai Jack #ad - Multi-use -- the temperature tolerance and quality of Bonsai Jack lava rocks make it useful for filling aquariums, garden soil amendment, ashtrays, fire media, fire pits, in addition to top dressing for plants.

Easy to maintain -- focus on the most satisfying part of maintaining a plant. Ideal drainage -- the porosity of lava rocks allows for excellent drainage while maintaining moisture within soil to allow your newly potted, acid-loving plants to cultivate and flourish. Customizable mix -- lava rock is used as a soil additive or top dressing in the art of bonsai. Bonsai jack lava rock soil additive can be mixed with ingredients such as pine bark fines, granite grit, calcined clay, and or dirt to create soil specific to your needs.

Made in the usa -- all bonsai jack soil products are lab-tested and free of dyes. Adding porous lava rocks instead of mulch to maintain plants like orchids, succulents, cacti, and bonsai trees ensures proper drainage while maintaining moisture.
BrandBonsai Jack #ad
ManufacturerBonsai Jack #ad
Height11.25 Inches
Length2 Inches
Weight1.5 Pounds
Width8 Inches
Part Number723905647407

4. Rio Hamza Trading

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Horticultural Mini Red/Maroon Lava Rock Pebbles, Soil Additive for Bonsai, Cacti, Plants, 100% Pure Volcanic Rock 2QT, Succulents, No Artificial Colors

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Rio Hamza Trading #ad - Premium bonsai aggregate: prewashed with no artificial fillers or colors. This is a premium quality lava rock substrate for potting Bonsai, succulents, cacti, and other plants.

Ready to use: red lava rock is sifted and sieved for a uniform size that is ready for direct potting use. 2 dry quart size: comes in a 2 quart size bag for your small planting or repotting needs. Create your own boons mix: Lava Rock is a necessary component of the world renowned professional Bonsai grower community choice potting mixture. The best bonsai soil additive : Lava Rock is the all around cleanest and safest Bonsai soil additive product.
BrandRio Hamza Trading #ad
ManufacturerRio Hamza Trading #ad

5. Rio Hamza Trading

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100% Pure Volcanic Rock 4QT, No Artificial Colors, Soil Additive for Bonsai, Succulents, Cacti, Plants, Horticultural Mini Red/Maroon Lava Rock Pebbles

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Rio Hamza Trading #ad - Premium bonsai aggregate: prewashed with no artificial fillers or colors. 4 dry quart size: comes in a 4 quart size bag for your small planting or repotting needs.

Ready to use: red lava rock is sifted and sieved for a uniform size that is ready for direct potting use. The best bonsai soil additive : Lava Rock is the all around cleanest and safest Bonsai soil additive product. Create your own boons mix: Lava Rock is a necessary component of the world renowned professional Bonsai grower community choice potting mixture. This is a premium quality lava rock substrate for potting Bonsai, cacti, succulents, and other plants.
BrandRio Hamza Trading #ad
ManufacturerRio Hamza Trading #ad

6. JK Global Imports

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Enables Optimal Drainage, Improves Soil Aeration 1/4 inch Black Lava Rock 2 Quarts Bag, Soil Aggregate for Bonsai, Lava Rock, and Other Container Grown Plants, Succulents, Cactus

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JK Global Imports #ad - Helps to split larger roots into smaller feeder roots. Our lava rock comes from Utah. Ideal aggregate for water drainage and aeration. Great soil aggregate for Orchids, Cactus and other container grown plants. A must in every soil mixture! Resealable stand up pouch made from recycled material ️.
BrandJK Global Imports #ad
ManufacturerThe Bonsai Supply #ad
Height8 Inches
Length12 Inches
Width3 Inches

7. American Fireglass

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All-Natural, 1/4 Inch to 1/2 Inch Thick x 10 Pounds, American Fireglass LAVA-S-10 American Fire Glass Small Sized Black Lava Rock – Porous

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American Fireglass #ad - Use these fire pit rocks on their own or as a base or filler for other ornaments. High quality, long-lasting and cost effective, american fire glass Black lava fireplace rocks come in a variety of Sizes, low maintenance: durable, have a porous surface and require very little maintenance.

The all-natural rocks are great in soil to retain moisture for plants and also work well as an addition to aquariums and ponds. Versatile: american fire glass lava rocks go beyond fire features. Naturally occurring fire pit rocks look great and have a fascinating burning effect. Enhance your home oasis: black lava rocks are a low-cost way to give your fire feature an exotic, tropical and classy look.

All-natural lava rocks: formed as volcanic magma rises to the surface then cools and releases gases, these small fire rocks can withstand the most extreme temperatures without damage or crumbling, making them a beautiful addition to your fire feature! Sourced in the USA. Indoor or outdoor use: lava rocks are the perfect choice for fire bowls, fire pits, and indoor or outdoor fireplaces liquid propane or natural gas.
BrandAmerican Fireglass #ad
ManufacturerAmerican Fireglass #ad
Height3 Inches
Length14 Inches
Weight11 Pounds
Width16 Inches
Part NumberLAVA-S-10
ModelLAVA-S-10

8. Venetian Princess

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Decorative Landscaping Rocks or Gas Fire Pits Rocks, 3/4" .75" 10 Lbs, Red Lava Rock, Venetian Princess Lava Rocks

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Venetian Princess #ad - Lava rocks is heat proof and ideal usage in Indoor and Outdoor Gas Fire Pits and Fireplaces. Lava rocks can be used with Fire Pits, Fireplaces, or Decoratively. 3/4 inch lava rocks - available in Black or Red - 10 Pounds or 40 Pounds.

Calculating how much lava rocks you need - circular/round fire pit - to calculate how many pounds of lava rocks you'll be needing for your project, simply: Radius Inches x Radius Inches x 3. 14 = square inches / then divide the square inches you have by 16 = Number of Pounds you'll be needing This is calculated for the optimal depth for Lava Rocks of 2" Deep.

Calculating how much lava rocks you need - square/rectangular fire pit - width left & right x depth front to Back = Square Inches / Then Divide the Square Inches you have by 16 = Number of Pounds you'll be needing to get how many pounds of Lava Rocks you'll be needing This is calculated for the optimal depth for Lava Rocks of 2" Deep.
BrandVenetian Princess #ad
ManufacturerVenetian Princess #ad

9. Rio Hamza Trading

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Bonsai, Black ¼ Inch Horticultural Volcanic Lava Rock, Soil Additive for Succulent, and Other Plants 2 Quart Bag, Cacti

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Rio Hamza Trading #ad - Exceptional drainage - horticultural Grade Lava Rock provides the ideal drainage environment for plants such as bonsai trees, cacti, succulent, and orchids.

Packaged in a 8 inch by 10 inch resealable bag. Versatile use - can be used for a gardening amendment, fire pits, lining aquariums, top dressing, and various other uses. 100% all-natural - contains no dyes, or other impurities. Tested and verified to be free of insects, chemical additives, nematodes, and pathogens that can damage plants. Minimal maintenance - horticultural Grade Lava Rock improves drainage and reduces root rot without needing to be frequently replaced.
BrandRio Hamza Trading #ad
ManufacturerRio Hamza Trading #ad

10. Bonsai Jack

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Red/Maroon 1/4 inch Horticultural Lava Rock Soil Additive for Cacti, No Dyes or Chemicals, Succulents, & Plants, 100% Pure Volcanic Rock 2 Quarts, Bonsai Jack

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Bonsai Jack #ad - Pre-washed. No fillers or artificial coloring. Consistent sizes, ready to use, no sifting required. The cleanest bonsai aggregate available. Available in 2 quart, 1 gallon, 2 gallon, 3.5 gallon, 7 gallon, 14 gallon and 28 Gallon SKUs. The cleanest and safest bonsai soil additive guaranteed.
BrandBonsai Jack #ad
ManufacturerBonsai Jack #ad
Height11.25 Inches
Length2 Inches
Weight1.75 Pounds
Width8 Inches
Part Number799600829554