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With very little effort, you can beautify your landscape with red lava rock. This 0.5 cu. ft. bagged decorative red lava rock from Vigoro is all you need to add a pleasing touch around trees, shrubs, decks and more. It's rich, red color will instantly update the appearance of your outdoor setting without fading or getting washed or blown away. Unlike mulch, these red lava rocks won't attract wood pests. You can also use it to retain soil moisture and control erosion. This single bag of small size lava rock will cover 3 sq. ft. to a 2-in. depth. It should not be used in fire pits. Be sure to check out our calculator to determine the number of bags of red lava rock needed for your project, and our buying guide for additional tips and tricks to consider.
Coverage Area at 3 In. (sq. ft.) | 2 sq ft |
|---|---|
Maximum Rock Size (in.) | 1 in |
Minimum Rock Size (in.) | .75 in |
Application | Drainage, Ground Cover |
|---|---|
Bag Capacity/Dry Volume (cu. ft.) | .5 cu ft |
Bag Weight (lb.) | 18.0 lb |
Color Family | Red |
Pack Size | 1 |
Packaging Type | Bagged |
PIP Calc_Bag Capacity/Dry Volume (cu.ft.) x Pack Size | 0.5 |
Rock Size | Small |
Rock Type | Lava Rock |
Manufacturer Warranty | None |
|---|
Shar, a 0.5 cu. ft. bag of red lava rock typically weighs approximately 15–20 lbs, as it is a lightweight material.
Yes — red lava landscape rock can be used as a soil amendment for outdoor potted tropical plants, but only in small amounts. Crushed lava rock improves drainage, aeration, and root oxygen, which tropicals like, but it has no nutrients, so it should be mixed lightly into potting soil (about 10–20% by volume) or used as a drainage layer, not as a primary soil component. Too much can make the mix dry out quickly and stress moisture‑loving plants.
Rebecca Yes — red lava rock is generally safe for organic container gardening. It’s simply natural volcanic rock and is inert, meaning it won’t harm plants. Just rinse well to remove dust before using.
-Nicole, it's generally not recommended for use in potting mix for houseplants. Lava rock can alter the pH of the soil, which might not be ideal for many houseplants. For houseplants, it's best to use a potting mix specifically designed for their needs, which often includes ingredients like peat moss, perlite, and vermiculite to ensure proper drainage and aeration. Should you have any further questions or concerns, please contact customer support at 1-800-820-2342.
-Larry, the Vigoro Decorative Stone Red Lava Landscape Rock is naturally colored and will not fade, wash, or blow away. It is not dyed, so the color should not come off. Please contact customer support directly, so we may aid in a solution, 1-800-820-2342.
Mike. Thank you for the question. No, we advise using rock that is recommended for the grill. Red Decorative Stone Lava is not rated for use in with grills.
Lanza. Thank you for the question. The Lava Rock can be placed around trees, shrubs, decks and driveways to accent your home landscape.
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