The Complete Decomposed Granite Guide for Dallas-Fort Worth

Decomposed granite is one of the most versatile and cost-effective landscape materials available to Dallas-Fort Worth homeowners and contractors. Whether you are building a xeriscape garden, paving a walkway, surfacing a driveway, or filling a dry creek bed, DG delivers performance and visual appeal that few other materials can match at the same price point.

Yet despite how widely it is used across North Texas, there is surprisingly little reliable, local guidance on how to choose the right type, calculate how much you need, install it properly, or find it in bulk near Dallas. This guide covers all of it, drawing on our hands-on experience serving DFW landscapers, homeowners, and commercial contractors from our Lewisville and Plano locations.

What Is Decomposed Granite?

Decomposed granite, commonly abbreviated as DG, is a naturally occurring material formed when solid granite breaks down over time through weathering and erosion. The result is a granular mixture of fine particles and small rock fragments, typically 3/8 inch or smaller, with a sandy, gravelly texture that compacts firmly underfoot.

Unlike crushed gravel or river rock, DG is composed entirely of granite-derived material, which gives it a distinctive appearance and a set of physical properties that make it useful across many landscape applications. It drains well, suppresses weeds when properly installed, reflects heat better than dark aggregates, and provides a stable walking and driving surface when compacted correctly.

According to the University of California Agriculture and Natural Resources extension, decomposed granite is widely recognized as a water-conserving ground cover ideal for drought-tolerant landscaping, making it a particularly strong choice for Texas homeowners managing water use during hot, dry summers.

In the Dallas-Fort Worth area, DG is used across residential, commercial, and municipal projects. Its warm, natural tones work well with the regional landscape palette, and its durability under Texas heat and rain makes it a long-lasting alternative to organic mulches and softer aggregate materials.

Types of Decomposed Granite Available in DFW

Not all decomposed granite performs the same way. Understanding the three main types helps you choose the right product for your specific application.

Natural Decomposed Granite

Natural DG is the base form of the material with no additives or stabilizing agents. It is screened to consistent particle size and sold as a loose, granular material. When properly compacted with a plate compactor or hand tamper, natural DG binds reasonably well and creates a firm surface.

Natural DG is the right choice for garden beds, tree rings, ornamental mulching areas, and low-traffic pathways where occasional touch-up is acceptable. It is also used as a base layer beneath flagstone, pavers, and stepping stones.

Shop our Decomposed Granite available in bulk by the cubic yard at our Lewisville and Plano yards.

Stabilized Decomposed Granite

Stabilized DG is natural decomposed granite mixed with a binding agent, typically a resin-based stabilizer that activates when wet and then hardens as it dries. The result is a surface that behaves similarly to compacted dirt but with better durability, water resistance, and longevity.

Gator Stone Bond Pathway Stabilizer is a professional-grade option we carry specifically for stabilizing decomposed granite pathways and surfaces in DFW conditions. Similarly, Gator Dust can be used as a polymeric stabilizing agent for finer DG applications.

Stabilized DG is the preferred choice for high-traffic walkways, driveways, patios, and any surface that needs to hold up under repeated foot traffic, rain runoff, or vehicle weight without shifting or washing away. It costs more than natural DG per square foot installed, but significantly reduces long-term maintenance.

Decomposed Granite Colors Available in Dallas-Fort Worth

DG is not one color. Depending on the granite source, decomposed granite ranges from warm golden and tan to cool gray to reddish brown and even near-black. The color you select should complement your home’s exterior, surrounding plantings, and adjacent hardscape.

At Outdoor Warehouse Supply, we carry multiple DG color options:

Lighter tones like golden tan reflect more solar radiation, keeping surface temperatures lower during Dallas summers. Darker tones absorb more heat and are better suited for shaded installations or areas where thermal mass is desirable.

Best Uses for Decomposed Granite in Texas Landscapes

DG is one of the few landscape materials that performs well across nearly every outdoor application. Here is how it is most commonly used across DFW.

Decomposed Granite Pathways and Walkways

Pathways are the single most popular use for DG in residential landscaping. A well-installed DG pathway is stable underfoot, drains quickly after rain, and creates a clean, natural look that suits both modern and traditional Texas home styles.

For pathways subject to regular foot traffic, stabilized DG is the better choice. Natural DG works well for garden paths with light occasional use. Either way, a compacted base layer and proper edging with steel landscape edging keeps the material contained and reduces migration.

Decomposed Granite Driveways in DFW

DG driveways are an increasingly popular alternative to poured concrete and asphalt in North Texas. They cost significantly less to install, drain naturally, and can handle typical passenger vehicle traffic when properly stabilized and maintained.

A standard DG driveway in DFW requires a minimum 4 inch compacted base of flex base topped with 3 to 4 inches of stabilized DG. Without a proper base, DG driveways rut and wash in the heavy rain events common to the DFW area. Regular re-grading and occasional recompaction keep the surface in good condition.

Garden Beds and Xeriscaping with Decomposed Granite

North Texas landscapes increasingly incorporate xeriscape design principles to reduce irrigation demands. DG is one of the most effective xeriscape ground covers available because it suppresses weed germination, retains minimal moisture at the surface level, and integrates naturally with drought-tolerant plants like red yucca, Texas sage, lavender, and Mexican feather grass.

The Texas A&M AgriLife Extension notes that xeriscape landscaping with inorganic ground covers like decomposed granite can reduce landscape water consumption by 50 to 75 percent compared to turf-based designs, a meaningful benefit given the water restrictions that periodically affect DFW municipalities.

Applied at 2 to 3 inches deep over landscape fabric, DG in garden beds reduces evaporation, moderates soil temperature, and keeps beds looking clean with minimal upkeep. Browse our nursery plants and shrubs for drought-tolerant companion plantings that work beautifully alongside DG.

Decomposed Granite as a Patio Base and Surface

DG can serve as both a patio surface on its own and as a base layer beneath pavers and flagstone. As a standalone patio surface, stabilized DG creates a firm, attractive outdoor living area with a natural character that no concrete surface can replicate. As a setting bed beneath natural stone or Pavestone products, fine DG helps level and stabilize individual units.

Decomposed Granite vs. Other Landscape Materials

DFW homeowners often compare DG to competing ground cover and surface materials before making a purchase decision. Here is an honest side-by-side comparison.

Decomposed Granite vs. Pea Gravel

Pea gravel consists of smooth, rounded stones typically 3/8 to 5/8 inch in diameter. DG and pea gravel are often considered for the same applications, but they perform quite differently.

DG compacts into a firm surface while pea gravel remains loose and shifts underfoot. DG drains fast but stays in place after rain; pea gravel migrates readily and requires edging on all sides to stay contained. Pea gravel is more visually ornamental while DG reads as a more natural, earthy surface. For walkways and driveways, DG is generally the stronger performer. For ornamental beds and water features, pea gravel or Marble Falls pea gravel may be the better aesthetic choice.

Decomposed Granite vs. Organic Mulch

Organic mulch (cedar, hardwood, or shredded mulch) decomposes over time and must be refreshed annually or biennially. It is softer underfoot and better at retaining moisture around plant roots. DG does not decompose, does not need seasonal replacement, and provides a harder, more stable surface. In full-sun North Texas conditions, organic mulch can break down rapidly and become a weed germination medium within a single growing season. DG outperforms organic mulch on longevity and weed suppression in hot, exposed locations.

Decomposed Granite vs. River Rock

River rock is heavier, larger, and more dramatic visually than DG. River rock stays in place without stabilizer due to its weight, but it does not compact into a firm surface and is less comfortable underfoot for walkways. DG is significantly less expensive per square foot and covers ground faster. River rock is the better choice for erosion control channels, dry creek beds, and ornamental accent areas; DG is better for pathways, driveways, and large coverage areas.

Decomposed Granite vs. Alternative Materials: Full Comparison

Feature DG (Natural) DG (Stabilized) Pea Gravel River Rock Concrete Organic Mulch
Compacts firm Yes Yes (very firm) No No Yes (permanent) No
Weed suppression High High Medium Medium High Medium
Drainage Excellent Excellent Excellent Excellent Poor (without joints) Good
Lifespan 10+ years 15+ years 10+ years 20+ years 20-30 years 1-2 years
Upfront cost Low Low-Moderate Low-Moderate Moderate-High High Very Low
Long-term cost Low Very Low Low Very Low Very Low High (annual)
DIY friendly Yes Yes Yes Yes No Yes
Heat tolerance Excellent Excellent Excellent Excellent Good Poor
DFW soil suitability Excellent Excellent Good Excellent Fair (clay heave risk) Good

Texas Climate Considerations for Decomposed Granite

Dallas-Fort Worth’s climate creates specific conditions that any ground cover material must handle well. DG performs favorably across all of them.

  • Summer heat: DFW regularly exceeds 100 degrees Fahrenheit through June, July, and August. Lighter-colored DG like standard golden tan reflects solar radiation better than dark aggregates, helping keep surface temperatures more comfortable and reducing heat transfer into surrounding soil.
  • Expansive clay soils: Most of DFW sits on highly expansive clay soil known as “black clay” that swells when wet and contracts when dry. This cycle can displace loose materials over time. A properly compacted base of crushed limestone or flex base isolates DG from direct contact with moving soil and dramatically extends the life of the installation.
  • Heavy rain events: North Texas receives intense, short-duration rainfall that can move uncontained DG off slopes and out of beds. Proper edging, a compacted base, and stabilizer in high-flow areas prevent washout. On slopes steeper than 10 percent, stabilized DG or a heavier aggregate like river rock is recommended over natural DG.
  • Drought cycles: DG’s low-moisture requirements make it an ideal ground cover during the periodic drought conditions that affect DFW. Unlike turf or organic mulches, DG does not require supplemental irrigation and performs consistently regardless of rainfall patterns.

How to Install Decomposed Granite: Step-by-Step

Proper installation is the difference between a DG surface that holds up for a decade and one that washes out after the first heavy rain. These steps apply to both natural and stabilized DG installations.

  • Step 1: Excavate and grade the area: Remove existing vegetation and excavate to the required depth: 4 to 6 inches for a pathway, 6 to 8 inches for a driveway. Grade the area with a slight slope (1 to 2 percent) away from structures to direct drainage.
  • Step 2: Install landscape fabric: For natural DG installations in plant beds and garden areas, lay professional-grade landscape fabric over the prepared area before adding DG. The fabric suppresses weed germination while allowing water infiltration. Skip fabric under stabilized DG driveways and high-traffic surfaces where it is unnecessary.
  • Step 3: Add and compact the base layer:  For driveways and high-traffic pathways, apply a 4 to 6 inch base layer of flex base or crushed limestone. Compact thoroughly with a plate compactor in multiple passes. This step is non-negotiable for driveways and strongly recommended for any pathway that will see regular use.
  • Step 4: Set edging: Install steel edging or benda board edging around the perimeter of the installation area. Edging keeps DG contained and prevents migration into adjacent turf or planting areas.
  • Step 5: Spread and grade the DG: Apply DG at a depth of 3 to 4 inches for pathways and patio surfaces, 4 inches for driveways. Rake smooth and grade to the desired slope.
  • Step 6: Compact the DG surface: For natural DG, compact with a plate compactor or hand tamper until the surface is firm. For stabilized DG, apply the stabilizer according to the product directions, ensuring even distribution, then compact while still workable.
  • Step 7: Water and allow it to cure: For stabilized installations, water the surface thoroughly and allow 24 to 48 hours of curing time before heavy use.

Use our landscape materials calculator to determine exactly how much DG you need before ordering.

Decomposed Granite Cost in Dallas-Fort Worth

DG is one of the most cost-competitive landscape surface materials available in DFW. Several factors influence the total cost of a DG project.

  • Material cost: Bulk DG priced by the cubic yard is the most economical option for projects over 200 square feet. Bagged DG costs more per cubic yard but is convenient for small accent areas and touch-up work. Black decomposed granite and specialty-color variants typically cost more per yard than standard golden-tan DG.
  • Stabilizer cost: Stabilizing agents add material cost per square foot but dramatically reduce long-term maintenance expense by extending the functional life of the surface.
  • Base material cost: Flex base and crushed limestone for the base layer are a significant cost component for driveways and major pathway installations.
  • Delivery vs. pickup: Bulk DG ordered for delivery within our Lewisville delivery area or Plano delivery area includes a delivery fee based on distance and quantity. Pickup at either yard eliminates delivery cost for those with access to a suitable truck or trailer.
  • Installation labor: DIY installation is practical for most homeowners. Professional installation adds labor cost but ensures proper base compaction, grading, and stabilization.

For current bulk pricing and availability, visit our products page or contact us directly. Contractor pricing is available through our wholesale contractor application.

How Much Decomposed Granite Do You Need?

Calculating your DG quantity before ordering prevents costly shortfalls and overages. The standard formula:

Length (ft) x Width (ft) x Depth (inches) / 12 = Cubic Feet Cubic Feet / 27 = Cubic Yards

Most DG applications use 3 inches of depth for pathways and ornamental beds, 4 inches for driveways and high-traffic surfaces.

Decomposed Granite Coverage Estimator

Area (sq ft) Depth Cubic Yards Needed Typical Application
100 sq ft 3 inches 0.93 cu yd Small garden path
200 sq ft 3 inches 1.85 cu yd Medium pathway or bed
300 sq ft 3 inches 2.78 cu yd Large garden bed
500 sq ft 4 inches 6.17 cu yd Patio or large pathway
1,000 sq ft 4 inches 12.35 cu yd Small driveway or large patio
2,000 sq ft 4 inches 24.69 cu yd Standard residential driveway

Always add 10 percent to your calculated quantity to account for compaction, grading loss, and uneven surfaces. For complex-shaped areas, use our landscape materials calculator for a precise estimate, or call our team at either location for a personalized quantity recommendation.

Where to Buy Decomposed Granite in Dallas-Fort Worth

Outdoor Warehouse Supply is one of the DFW area’s most complete landscape material suppliers, carrying bulk decomposed granite in multiple colors alongside the full range of base materials, landscape fabrics, edging, and stabilizers needed for a complete installation. Our staff can help you calculate quantities, select the right DG type for your project, and arrange delivery throughout the metro.

We serve homeowners, landscapers, and commercial contractors across all DFW-area locations. Browse our full product catalog, read customer testimonials, or visit our project gallery to see DG and other landscape materials in completed DFW installations.

According to the National Association of Landscape Professionals, demand for low-maintenance, drought-tolerant landscape materials like decomposed granite has grown consistently over the past five years as homeowners seek to reduce both irrigation costs and landscape upkeep, a trend particularly pronounced in Texas and other Sun Belt states.

Shop Decomposed Granite at Outdoor Warehouse Supply

Ready to start your project? Browse our full DG and gravel selection:

View our complete river rock, sand, and gravel selection for all related aggregate materials.

Our Store Locations

Outdoor Warehouse Supply (Lewisville)
Address: 2791 S Stemmons Fwy, Lewisville, TX 75067, United States
Phone Number: (469) 807-8663
Google Maps: Find Us Here
Business Hours:
Monday To Friday: 7:30 AM – 5:00 PM
Saturday: 8:00 AM – 1:00 PM
Sunday: Closed

Outdoor Warehouse Supply (Plano)
Address: 1212 Municipal Ave, Plano, TX 75074
Phone Number: (972) 423-4001
Google Maps: Find Us Here
Business Hours:
Monday To Friday: 7:30 AM – 5:00 PM
Saturday: 8:00 AM – 1:00 PM
Sunday: Closed

Have questions about your project? Visit our FAQ page, browse the blog for more landscape guides, or contact our team directly. We are here to help you get the right material in the right quantity for your DFW landscape project.

Frequently Asked Questions About Decomposed Granite in Dallas-Fort Worth

What is the difference between natural and stabilized decomposed granite?

Natural DG is loose granular material that compacts reasonably well but can shift over time with heavy use or rain. Stabilized DG includes a binding agent that hardens the surface significantly, making it appropriate for driveways, high-traffic pathways, and areas where maximum durability is required. For most DFW residential applications, stabilized DG is worth the additional cost.

How deep should decomposed granite be installed?

For ornamental garden beds and light-use pathways, 2 to 3 inches is sufficient. For regularly used walkways and patios, 3 to 4 inches provides better durability. For driveways, 4 inches of DG over a 4 to 6 inch compacted base is the standard minimum in DFW conditions.

Does decomposed granite wash away in rain?

Natural DG can migrate in heavy rain events, particularly on slopes or in areas with concentrated runoff. Proper edging, a compacted base, and slope grading prevent most displacement. Stabilized DG is significantly more resistant to washout. For slopes or drainage-prone areas, we recommend stabilizer regardless of traffic level.

Can I install decomposed granite myself?

Yes. DG installation is one of the more DIY-friendly landscape projects. The key requirements are proper excavation, a compacted base for any high-use surface, quality edging, and thorough compaction after spreading. Our team at both locations can walk you through the process and help you size your order correctly.

How much does decomposed granite cost in Dallas-Fort Worth?

Bulk DG pricing varies by color and quantity. Standard golden-tan DG is the most affordable option; specialty colors like black DG typically cost more per cubic yard. Pickup at our Lewisville or Plano yards is the most cost-effective option for large quantities. Contact us or visit our products page for current pricing.

Does decomposed granite get hot in the sun?

All surface materials absorb some heat in direct summer sun. Lighter-colored DG reflects significantly more solar radiation than dark aggregates, keeping surface temperatures more manageable. In particularly exposed south-facing areas, golden-tan or lighter DG varieties are recommended over black DG.

What should I put under decomposed granite to prevent weeds?

A professional-grade woven or non-woven landscape fabric is the standard underlayment for DG garden beds. It suppresses weed germination while allowing water to drain through. Skipping landscape fabric is the most common installation mistake and typically results in weed infiltration within the first growing season. We carry the Gator Landscape Fabric GF20 specifically for DG applications.

Where can I pick up bulk decomposed granite near Dallas or Fort Worth?

Outdoor Warehouse Supply has two convenient DFW locations. Our Lewisville location at 2791 S Stemmons Fwy serves customers from Dallas, Denton, Irving, Flower Mound, and the northwest DFW corridor. Our Plano location at 1212 Municipal Ave serves Plano, Frisco, McKinney, Allen, and the northeast DFW corridor. Both locations offer bulk DG pickup Monday through Friday 7:30 AM to 5:00 PM and Saturday 8:00 AM to 1:00 PM.

Can I use decomposed granite around trees and plants?

Yes. Natural DG used as a mulching material around trees and shrubs suppresses weeds, moderates soil temperature, and reduces moisture evaporation from the soil surface. Maintain a 6-inch gap between DG and tree trunks to prevent bark moisture retention. DG works particularly well paired with drought-tolerant native plants and ornamental grasses available from our nursery.

Is decomposed granite good for a fire pit area?

DG is an excellent surface material for fire pit surrounds and outdoor entertainment areas. It is non-combustible, drains well, and provides a clean, stable surface underfoot. Stabilized DG is preferred for fire pit areas to prevent displacement from foot traffic and furniture movement.

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