Christopher N.
4 months ago
Verified
Great job.
June 11, 2026
Sold by the yard
Black Lava Rock
Lightweight 3/4–1 1/2" black volcanic rock for beds
Black lava rock is crushed volcanic stone full of tiny air pockets, which keeps it light and easy to spread. It goes down like mulch but doesn't rot, fade like dye, or need replacing every year. The dark charcoal color sets off green plants and light hardscape, so it's popular in modern beds, around succulents, and along borders. Pieces run about 3/4 to 1 1/2 inch. Size varies slightly and shade varies by location.
Black lava rock is lightweight, porous volcanic stone about 3/4 to 1 1/2 inch in a dark charcoal color, not dyed mulch that fades.
Also called: black lava stone, black cinder, black volcanic rock, black scoria, black lava gravel, charcoal lava rock.
4.9· 1,920 verified reviews11,821 deliveries · 50 states
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Hello Gravel Guarantee
Right material. Safe delivery. Real help if we miss.
How it works
- We fix what we control. Wrong material, confirmed fulfillment errors, or orders we cannot complete are reviewed for replacement, refund, or another fair resolution.
- Safe delivery comes first. The driver chooses the final safe dump location on site. If your requested spot is not safely reachable, we deliver to the closest safe location available.
- Plans change. You can cancel free up to one full business day before delivery. Next-business-day orders cannot be cancelled once confirmed.
- Natural material varies. Color, texture, moisture, dust, and sizing can vary by quarry, supplier, season, and region.
Product Specifications
- Material
- Volcanic rock (cinder)
- Size
- 3/4"–1 1/2" (varies slightly by location)
- Shape
- Porous, irregular
- Weight
- ~900 lbs per cubic yard
- Coverage (3" deep)
- ~105 sq ft per yard
- Color
- Charcoal to black, shade varies by location
- Minimum Order
- 1 yard
- Delivery
- Dump truck, directly to your location
Best For
Modern bedsSucculent gardensBed bordersLow-water landscapes
“We chose a delivery date. The driver dropped it exactly where I asked. I had never ordered gravel in my life.”
Why Choose This Product
Lasts for Years
Doesn't rot, decompose, or need yearly topping off.
Natural Black
Dark stone color that doesn't come from dye.
Drains Well
Porous stone lets water straight through to the roots.
Delivery Included
The price you see includes dump-truck delivery to your site.
How Delivery Works
1
Browse Products
Explore our range of gravel, stone, and landscaping materials.
2
Calculate Amount
Use our calculator to find exactly how much you need.
3
Schedule Delivery
Pick a delivery date that works for your project timeline.
4
Delivered to Your Door
We deliver right to your driveway or job site.
Material calculator
Estimate how much black lava rock you need
Tell us the area and depth, and we'll work out the yards plus your delivered price.
Area shape
Dimensions
Depth
top-dressingYour estimate
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Compare Materials
Current selectionBlack Lava Rock
MaterialVolcanic rock (cinder)
Size3/4"–1 1/2" (varies slightly by location)
ShapePorous, irregular
Weight~900 lbs per cubic yard
Coverage (3" deep)~105 sq ft per yard
ColorCharcoal to black, shade varies by location
Minimum Order1 yard
DeliveryDump truck, directly to your location
Texture—
Recommended Depth—
Coverage (2" deep)—
Best For
Modern bedsSucculent gardensBed bordersLow-water landscapes
Shredded Black Mulch
MaterialShredded hardwood
Size—
Shape—
Weight~800 lbs per cubic yard
Coverage (3" deep)~100 sq ft per yard
Color—
Minimum Order1 yard
DeliveryDump truck, directly to your location
TextureDouble-shredded
Recommended Depth3"
Coverage (2" deep)—
Best For
Flower bedsTree ringsLandscapingWeed suppression
River Rock
MaterialNatural river stone
SizeAbout 1–3" (varies by location)
ShapeRounded / smooth
Weight~2,700 lbs per cubic yard
Coverage (3" deep)—
ColorVaries depending on location
Minimum Order1 ton
DeliveryDump truck, directly to your location
Texture—
Recommended Depth—
Coverage (2" deep)~100 sq ft per ton
Best For
LandscapingDry creek bedsWater featuresGround cover
Black lava rock gives you a dark bed cover without the yearly refresh. Pick shredded black mulch if you want to feed the soil, or river rock for a heavier, smooth stone.
What customers say
4.92(204 reviews)
What customers say
Hello Gravel excels at smooth ordering and responsive communication, though delivery consistency and accuracy issues concern some customers.
Most mentioned
Easy ordering processResponsive communicationOn-time delivery
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Patricia B.
4 months ago
Verified
From ordering online, communication, to delivery everything was outstanding! Highly recommend Hello Gravel and will definitely use again.
June 5, 2026
Priority m.
4 months ago
Verified
Got everything delivered on time, very time efficient. Love the service.
June 3, 2026
Carolyn M.
4 hours ago
Verified
Hello Gravel made ordering fill dirt so easy. They were quick and the communication was excellent. I plan to use them again for gravel next.
October 19, 2026
Dave
6 days ago
Great service would highly recommend this company. I’ll use them again.
October 13, 2026
Rachel
1 week ago
I ordered fill dirt to grade around my house. The process was so simple! The driver met me where I wanted him to drop the dirt. I think I spent a total of 30 min with the ordering, paying, and the truck arriving with the material the day they said they would be there. I'm very pleased.
October 6, 2026
Frequently Asked Questions
Use the calculator with your length, width, and depth. A 2 to 3 inch layer gives full coverage. One cubic yard covers about 105 square feet at 3 inches deep.
Lava rock weighs about a third as much as most gravel. Selling it by volume means you pay for coverage, not weight.
It's a natural dark charcoal to black. Some pieces show a brownish or reddish tint, and the surface looks lighter when dry and darker when wet. Shade varies by location.
Dark stone warms up in full sun, more than light-colored rock. That's fine for shrubs, succulents, and heat-loving plants. Keep a little space around the stems of tender plants.
It's rough and porous, so wear gloves when you spread it. It's not a good fit for bare-foot areas, play areas, or dog runs.
By dump truck, straight to your property. The driver dumps it in one pile where you choose. Pick a firm, level spot the truck can reach, clear of cars and overhead wires. Delivery is included in the price you see.
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