The Real Difference Is Whether the Material Locks Up or Stays Loose
Decomposed granite and crushed gravel look like cousins in the yard at the supply yard, but they behave like two different products once they are on the ground. Decomposed granite is weathered granite screened to a fines-and-chip blend. The dust is part of the product, not a contaminant, and that dust is what lets DG pack into a firm surface. Crushed gravel is rock broken mechanically with the fines screened out, so it stays loose and angular no matter how long it sits.
That one difference drives almost every tradeoff you will care about in a low water yard. Compaction, dust, barefoot comfort, weed behavior and slope holding all trace back to whether the material has fines in it or not. So the useful question is not which one is better. It is what you want the surface to do. DG behaves like a soft paving you can walk on. Crushed gravel behaves like a permanent loose top dressing you look at.
It is also worth knowing that the two are often stacked rather than opposed. A firm DG path frequently sits over a compacted base of crushed rock or road base, with the base carrying the load and handling drainage while the DG gives you the finished walking surface. If a contractor quotes you both materials for one path, that is usually why.
The rest of this post walks through five behaviors that actually change how a bed lives, then gets into depth and quantity math so you can order without guessing.
Compaction: What Happens After the First Few Weeks
DG compacts into a firm, natural looking surface because the fines migrate into the gaps between the chips and fill them. Crushed gravel does not do this. The angular pieces interlock enough to feel stable underfoot for a moment, then shift when you put weight on one edge, and they shift again under a wheelbarrow tire or a bike.
Do you need a plate compactor
For DG anywhere people walk, a rented plate compactor earns its money in one afternoon. Two habits matter more than the machine you rent. Dampen the surface lightly before you compact so the fines bind into the mass instead of blowing off as dust. And compact in two thinner lifts rather than one thick pass, because a single deep layer will crust on top and stay soft underneath.
If the bed is one nobody crosses, you can skip the compactor entirely. Rain, settling and the occasional footstep will firm it up on their own. Expect a softer, more shiftable surface for a season while that happens. That is a perfectly reasonable tradeoff for a bed you only look at.
Stabilized DG
Stabilized DG has a binder mixed through the material before it goes down. It holds up to wheelbarrows and to rain much better than loose DG. This is the version to ask about for the routes that take real abuse, which in most yards means the main path, the gate approach, the run where you drag a hose, and anywhere a trash cart gets rolled.
Crushed gravel never needs compaction at all, and that is a genuine simplicity advantage. The tradeoff is that it stays mobile for its entire life. It migrates into lawn edges, onto driveways and across walkways unless you give it a real edge to live behind.
One more thing the spec sheets do not tell you. Loose DG tracks indoors on shoes. If your back door opens off the yard straight onto tile, that detail will matter to you more than any comparison chart.
Dust and Spring Wind
Albuquerque springs bring long stretches of steady wind, and DG is the material most affected by it for the simple reason that the fines are part of the blend. There is nothing to wash out or screen away. The dust is the reason DG works.
So yes, DG gets dusty after install, especially when the wind picks up. It shows on patio furniture, on window sills and on a car parked close by. The fixes do not require changing materials. Compact it properly so the fines set into the layer rather than sitting loose on top. Water the finished surface. And for the windiest exposures on your lot, ask for stabilized DG instead of loose.
Crushed gravel is the low dust option, plainly. Washed crushed rock has had most of the fines removed, so wind moves very little of it. That makes placement logic easy to state. Keep DG off the west and southwest exposures where wind has open fetch across the lot, and keep it away from swamp cooler intakes and AC condensers. Put crushed gravel in those spots and put your DG where it is sheltered and where you actually walk.
It is also worth not overselling the problem. A well compacted DG path settles down noticeably after its first season. The dust complaint is loudest in the weeks right after install and quietest a year later.
Barefoot Comfort and Everyday Use
Compacted DG walks like a firm natural path. It is the more comfortable of the two barefoot by a wide margin, and it is easier on a dog, a stroller and a wheelbarrow. Crushed gravel is angular with sharp edges by design, because that is what makes it interlock. It is unpleasant barefoot, it wedges into shoe treads, and it gets caught in dog paws.
Heat is the other half of comfort in a low water yard. Any rock surface stores afternoon sun and gives it back into the evening, and lighter colored material reads cooler underfoot than dark material does. That makes surface comfort partly a color decision rather than purely a material one, so it is worth looking at the actual landscape rock options in front of you before you commit to a shade.
The split most homeowners can act on looks like this.
- DG: seating areas, patios, the path from the gate to the back door, and open groundcover you will genuinely cross.
- Crushed gravel: beds behind plantings, along drip lines, side yards, and anything you look at rather than walk on.
Pea gravel comes up constantly as the comfortable third option, and it deserves a straight answer. Pea gravel is rounded rather than sharp, so it is kinder to feet than crushed rock. But rounded stone rolls underfoot and never locks up. On any grade at all it is the worst of the three, and it will keep leaving the bed for as long as you own the house.
Weeds: Neither One Is a Weed Barrier
Weeds sprout through DG. The fines hold just enough moisture, and they catch just enough windblown organic material, that seed landing on the surface finds a place to germinate. That is where nearly all rock yard weeds actually start. They are not pushing up from below, they are starting on top.
Crushed gravel buys you time rather than immunity. The larger voids dry out fast, which slows germination considerably in the first few years. Then seed and fine dust settle down into those voids, the voids stop draining quite so freely, and the same problem arrives later.
Landscape fabric under DG is a mixed bargain. It does stop established weeds from pushing up through the layer, which is worth something over disturbed or weedy soil. It does nothing at all about seed that lands on the surface, which is the bigger source. And laid loose, it interferes with compaction because it ripples under the plate.
The practical position is that fabric helps most under crushed gravel over recently disturbed soil, and helps least under a DG surface you plan to compact hard. In either case, a pre emergent applied in early spring and again mid season does more of the real work than the fabric does.
Correct depth also beats fabric. A layer spread too thin is the single most common reason a rock yard grows weeds, and no fabric underneath rescues a thin layer.
Last, there is a cleanup difference nobody warns you about. Pulling a weed out of compacted DG leaves a divot, and the divot needs raking flat and re tamping or it becomes a permanent dimple. Pulling a weed out of crushed gravel leaves nothing behind at all.
How Each Holds on a Mild Slope
This is where DG loses most clearly. DG erodes substantially on slopes whether or not it has been compacted. Hard summer rain carves small channels across the surface, and the result looks like a miniature badlands.
What makes this worse here than in a mild rain climate is that monsoon rain arrives fast and concentrated. The failure mode is not gradual thinning you notice over years. It is a channel that forms in one storm and deepens in the next one.
On anything more than a gentle grade, crushed gravel is the safer choice. The angular pieces interlock, and the open voids let water soak down into the layer rather than sheet across the top of it looking for a low spot.
If you want DG on a grade anyway, and plenty of people do because of how it looks, there are three levers. Use stabilized DG with a binder rather than loose. Break the run with a header board or a low stone edge so no single stretch of water gets long enough to build speed. And give the water somewhere intentional to go when it reaches the bottom.
Also, do not run either material downhill into a driveway or a public sidewalk without an edge. Whatever moves ends up there, and you will be sweeping it back uphill by hand.
The cleanest rule in this whole comparison is short. Flat and near flat is DG country. Grade is gravel country.
Depth and How Much to Order
Install DG at 2 to 3 inches. Go to the full 3 inches for paths, seating areas and anywhere people walk regularly. 2 inches is fine for open groundcover in a bed you are not crossing. Gravel layers are generally figured in the same 2 to 3 inch range.
Coverage for DG is straightforward. One cubic yard covers about 162 square feet at 2 inches. At 3 inches, you are covering two thirds of that, so figure roughly 108 square feet per yard.
Weight matters for two reasons, delivery planning and your own back. DG runs 1.45 tons per cubic yard. So three yards is about 4.35 tons of material, because 3 times 1.45 is 4.35. If the only route from the drop pile to the bed is a long narrow side yard, that is worth thinking about before order day rather than on it.
Order slightly over rather than slightly under. Two reasons. DG compacts down from its loose spread depth, so the finished surface is thinner than the material you raked out. And a second small delivery costs more per yard than one larger load, so the cheap insurance is on the front end. If you are pricing it out, DG sits in the mid range among landscape materials, and both DG and crushed gravel are noticeably cheaper by the yard than by the bag once you are covering real square footage. When you have your number, Albuquerque gravel delivery by the yard is how most of these projects get supplied.
Here is a worked example. Say you have a front bed that measures 14 feet by 20 feet. That is 280 square feet, because 14 times 20 is 280. At 2 inches, divide 280 by 162 and you get about 1.73 cubic yards. Round up to 2 yards. At 1.45 tons per cubic yard, 2 yards weighs about 2.9 tons. If you decided to take that same bed to 3 inches for a walking surface, divide 280 by 108 instead and you get about 2.59 yards, so order 3.
Round up to the nearest half yard as a habit. The leftover goes into the low spots you will find after the first rain, and there always are some.
How We Started
We started Mulch Mound because we got tired of the hassle that came with buying landscaping materials. The options were either loading bags into your car at a garden center or calling around to local suppliers, trying to figure out pricing, minimums, and delivery schedules. Neither option felt convenient or transparent.
Three of us – Alec, Mo, and Tyler – decided there had to be a better way. Alec and Tyler got their start back in 2013 running a landscaping business during college, moving mulch and mowing lawns to pay tuition. That experience taught them how frustrating it was to source materials, and years later, that frustration turned into Mulch Mound.
We focus on making it simple to get mulch, stone, and soil delivered directly to your home. Order online, pick your delivery date, and we handle the rest. No loading bags. No calling multiple suppliers. No wondering if you bought enough or paid a fair price.
We work with quality local suppliers in the areas we serve and aim to be straightforward about what we offer and what it costs. Landscaping is hard work. Buying the materials for it shouldn't be.
Frequently asked questions
Which is more comfortable barefoot, DG or crushed gravel?
DG, and the gap widens with time. A DG surface that sees regular foot traffic wears smoother. The exposed chips get pressed down, the fines keep working into the gaps, and by the third summer a well used path feels closer to a firm dirt trail than to loose rock. Crushed gravel does the opposite, which is to say it does nothing. It is exactly as sharp in year five as it was the day it came off the truck, because there is no mechanism by which angular rock becomes rounded rock in a garden bed.
Will DG wash out on a slope during a monsoon downpour?
Likely yes, and it helps to know what the repair looks like so you can judge whether you want the job. Channel damage in the middle of a run is the easy version. You top the channel with fresh DG, dampen it, and tamp it back level, and it disappears. The expensive version is when the water reaches the bottom edge and takes the edging with it, because then you are resetting a header board or a stone edge in soil that has just been undercut. If you are going to run DG on a grade, spend your effort on the bottom edge before you spend it on the surface.
Is DG too dusty for a yard that gets steady spring wind?
Not too dusty to use, but the install timing matters more than most people expect. Spreading fresh DG during a windy spring stretch is the worst schedule you can pick, because the fines are loose and unbound exactly when the wind is at its most persistent, and you lose some of the material that was supposed to do the binding. Installing in fall or early summer gives the surface time to compact, absorb some water and set before it faces a full windy season. The same material, installed at a different time of year, generates a very different amount of complaint.
Does landscape fabric under DG actually help?
It helps or hurts based almost entirely on how it is installed. Fabric that is pulled tight, pinned down on a close pin spacing and overlapped generously at the seams will sit flat and let you compact the DG above it properly. Fabric laid loose ripples under the plate compactor, which means the DG above the ripples never densifies, and you end up with soft spots that shift underfoot. Loose fabric also tends to work its way up to the surface at the edges over a few years, which is an ugly and annoying thing to fix. If you are not going to pin it properly, you are better off skipping it and putting the effort into depth and a spring pre emergent.
Can you mix DG and crushed gravel in one yard?
Yes, and that combination is usually the best looking and best performing answer. Put DG on the traffic routes, which means the paths, the seating area and the gate approach, and put crushed gravel everywhere else, including behind plantings, along the drip lines and in the side yards. The one detail that makes or breaks it is the transition. Separate the two materials with a real edge, a steel or header board edge or a low stone course, so the DG fines do not migrate into the gravel and clog the voids that make the gravel drain and stay clean.