---
product_id: 555046803
title: "Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4\" Size) (Mined in USA) (5-lb Bag)"
brand: "midwest hearth"
price: "€ 78.81"
currency: EUR
in_stock: true
reviews_count: 8
category: "Midwest Hearth"
url: https://www.desertcart.sk/products/555046803-black-lava-rocks-for-plants-natural-horticultural-volcanic-rock-1
store_origin: SK
region: Slovakia
---

# 100% natural volcanic origin Porous texture aids water retention & drainage Consistent 1/4-inch size for perfect aeration Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4" Size) (Mined in USA) (5-lb Bag)

**Brand:** midwest hearth
**Price:** € 78.81
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your plant game with volcanic vibes—grow smarter, not harder!

## Quick Answers

- **What is this?** Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4" Size) (Mined in USA) (5-lb Bag) by midwest hearth
- **How much does it cost?** € 78.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/555046803-black-lava-rocks-for-plants-natural-horticultural-volcanic-rock-1)

## Best For

- midwest hearth enthusiasts

## Why This Product

- Trusted midwest hearth brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pure Volcanic Power:** Harness the natural strength of 100% additive-free lava rock mined in the USA.
- • **Water-Wise Planting:** Porous rocks absorb and slowly release moisture, preventing root rot and overwatering.
- • **Root Protection Layer:** Create a drainage barrier that keeps roots dry and thriving by pooling excess water below.
- • **Versatile Green Thumb Essential:** Ideal for cacti, bonsai, succulents, and all your potted plant projects.
- • **Precision Sized for Perfect Growth:** Uniform 1/4-inch granules optimize soil aeration and root health.

## Overview

Black Lava Rocks are natural, 1/4-inch volcanic stones mined in the USA, designed to improve soil aeration and drainage. Their porous nature helps retain moisture while protecting plant roots from waterlogging, making them perfect for cacti, bonsai, succulents, and other potted plants. This 5-lb bag offers a clean, dust-free, and additive-free solution to boost plant health and growth.

## Description

desertcart.com : Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4" Size) (Mined in USA) (5-lb Bag) : Patio, Lawn & Garden

Review: All good . As described . - As described. Weight as promised , minus an ounce or two . Good for mix with potted plant soil , provide aeration , and to layer bottom for good drainage . Clean , dust free.. I'm happy .
Review: Quality Product - Perfect size 1/4” for potted Desert Roses

## Features

- MULTIPLE USES: Cacti, bonsai, succulent containers, and potted plants
- SMALL 1/4-INCH SIZE - Lava rocks have an average size of approximately 1/4" in diameter
- 100% NATURAL - Pure volcanic rock with no additives, dyes, or fillers
- PROTECTS PLANT ROOTS - When placed at the bottom of the planter, lava rocks create a place for excess water to pool away from your plant's roots
- AIDS WITH WATERING - Lava rocks are naturally porous, they can absorb and slowly release excess water over time

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CDYYRGPL |
| Best Sellers Rank | #16,132 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #263 in Garden Soil |
| Customer Reviews | 4.5 4.5 out of 5 stars (245) |
| Item Weight | 0.317 ounces |
| Item model number | Plant Lava 1/4 Black |
| Manufacturer | Midwest Hearth |
| Product Dimensions | 10 x 8 x 2 inches |

## Images

![Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4" Size) (Mined in USA) (5-lb Bag) - Image 1](https://m.media-amazon.com/images/I/41u4tJc1VQL.jpg)
![Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4" Size) (Mined in USA) (5-lb Bag) - Image 2](https://m.media-amazon.com/images/I/51lRBZ773ZL.jpg)
![Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4" Size) (Mined in USA) (5-lb Bag) - Image 3](https://m.media-amazon.com/images/I/51px0A5P3KL.jpg)
![Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4" Size) (Mined in USA) (5-lb Bag) - Image 4](https://m.media-amazon.com/images/I/61DgVdh8x-L.jpg)
![Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4" Size) (Mined in USA) (5-lb Bag) - Image 5](https://m.media-amazon.com/images/I/61cQH6fR5VL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ All good . As described .
*by J***K on November 5, 2025*

As described. Weight as promised , minus an ounce or two . Good for mix with potted plant soil , provide aeration , and to layer bottom for good drainage . Clean , dust free.. I'm happy .

### ⭐⭐⭐⭐⭐ Quality Product
*by D***S on September 18, 2025*

Perfect size 1/4” for potted Desert Roses

### ⭐⭐⭐⭐⭐ Timely and good value
*by F***B on January 17, 2026*

Timely delivery. Rocks were as advertised and exactly what I needed for my plants.

## Frequently Bought Together

- Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4" Size) (Mined in USA) (5-lb Bag)
- Red Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4" Size) (Mined in USA) (5-lb Bag)
- Pumice for Bonsai, Succulent, Cactus | 2 Quarts Bag | 1/4” Particle Size | The Bonsai Supply

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**Shop now:** [https://www.desertcart.sk/products/555046803-black-lava-rocks-for-plants-natural-horticultural-volcanic-rock-1](https://www.desertcart.sk/products/555046803-black-lava-rocks-for-plants-natural-horticultural-volcanic-rock-1)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-24*