coarse sand for succulents Black lava sand, coarse-grain horticultural grit
SKU: 68663386970
coarse sand for succulents

coarse sand for succulents Black lava sand, coarse-grain horticultural grit

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Ships within 48 hours · Estimated delivery Jun 30 - Jul 5

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Description

coarse sand for succulents Black lava sand, coarse-grain horticultural gritSIZE 1 8" avg grains, 1 4 inch down to fines (silt) Units: 3 4, 1. 5, 5, or 15 lb The sand has been washed and sorted to remove foreign materials and any obvious light colored chunks. This material is mined in northern Arizona, and characteristic of the region's material I have found some tiny bits of peridotite olivine mixed in! Black lava sand is finely crumbled volcanic rock. It is a key component of DIY Pon mixes for succulents, cacti, aroids like

SIZE 1/8" avg grains, 1/4 inch down to fines (silt)
Units: 3/4, 1.5, 5, or 15 lb

The sand has been washed and sorted to remove foreign materials and any obvious light-colored chunks. This material is mined in northern Arizona, and characteristic of the region's material I have found some tiny bits of peridotite/olivine mixed in!

Black lava sand is finely crumbled volcanic rock. It is a key component of DIY Pon mixes for succulents, cacti, aroids like hoya and philodendrons, bonsai, and carnivorous plants. The fine gravel can also be used in terrariums and fairy gardens. It is a decorative lightweight top-dressing that helps hold moisture in soil. Alternatively, mix it into the soil like perlite for a lightweight grit.

There are many cacti and succulents that are happy to be planted directly in lava sand or lava rock mixed with other rock types to create an inorganic soil—it more closely mimics low-nutrient natural growing conditions. The porosity of volcanic rock keeps it lightweight, so roots stay airy and dry. At the same time the porosity retains moisture well similar to LECA, so lava rock soils drain immediately but light moisture remains available to the plant. This makes it much more difficult to lose a plant to the soggy conditions that cause root rot. (And dissuades fungus gnats!)

How much do I need? If you aim to use this as a potting medium, a 2.5" square pot holds about 4.75oz, and a 4" round pot takes about 15 oz.

3/4 lb - best for one or two plants, fairy gardens, testing out the substrate.
1.5 lb - best for small plant collections, mixing with other substrates, terrariums.
5 lb - best for more advanced gardeners and larger projects.

🌟 15 lb BULK size now available!

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SKU: 68663386970

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