Pros and Cons of Decomposed Granite in Landscape Design

Written By Travis Bradley

Decomposed granite (often called DG) is a popular material in landscape design, especially in drought-tolerant, modern, and natural-style landscapes. Made from weathered granite rock, DG creates a compacted surface that blends seamlessly into outdoor spaces while offering a more affordable alternative to concrete or pavers.

Like any landscape material, decomposed granite has both advantages and drawbacks. Understanding the pros and cons of decomposed granite in landscaping can help homeowners decide if it’s the right choice for their yard.

What Is Decomposed Granite?

Decomposed granite is a finely crushed granite material that ranges from tan and gold to gray and reddish tones. It can be installed loose or stabilized with additives that help it bind together when compacted.

DG is commonly used for:

  • Walkways and garden paths

  • Patios and seating areas

  • Driveways

  • Courtyards

  • Xeriscape and low-water landscapes

Pros of Decomposed Granite in Landscaping

1. Natural, Organic Appearance

One of the biggest advantages of decomposed granite is its natural look. DG blends beautifully with plants, boulders, and native landscapes, making it ideal for:

  • Mediterranean-style gardens

  • Japanese-inspired landscapes

  • Desert and drought-tolerant designs

It doesn’t feel harsh or overly manufactured like concrete.

2. Cost-Effective Material

Compared to pavers, stamped concrete, or stone, decomposed granite is significantly more affordable. Both material and installation costs are lower, making it a great option for homeowners working within a landscape budget

3. Permeable and Drainage-Friendly

Decomposed granite is a permeable surface, meaning water can pass through it rather than run off. This helps:

  • Reduce puddling

  • Improve drainage

  • Support eco-friendly landscape design

Permeable surfaces are often preferred in areas with water restrictions or stormwater regulations.

4. Low Water & Drought-Tolerant

DG works extremely well in low-water landscapes. Unlike lawns or high-maintenance plantings, decomposed granite requires no irrigation and pairs perfectly with native and drought-tolerant plants.

5. Flexible and Easy to Shape

Because DG is installed loose and compacted, it allows for:

  • Curved walkways

  • Organic patio shapes

  • Custom designs around existing trees or features

This flexibility makes it a favorite for designers who want a more natural flow in the landscape.

Cons of Decomposed Granite in Landscaping

1. Requires Proper Installation

One of the biggest downsides of decomposed granite is that poor installation leads to problems. Without proper base preparation, edging, and compaction, DG can:

  • Shift or erode

  • Develop low spots

  • Spread into planting areas

Professional installation is key to long-term performance.

2. Ongoing Maintenance

Unlike concrete or pavers, decomposed granite does require maintenance. Over time, it may need:

  • Raking or re-leveling

  • Additional material added

  • Re-compaction

Weeds can also appear if a proper weed barrier isn’t installed beneath the DG.

3. Not Ideal for Heavy Traffic

While DG works well for walkways and patios, it’s not always the best option for:

  • High-traffic driveways

  • Steep slopes

  • Areas with frequent turning tires

In these cases, pavers or concrete may offer better durability.

4. Can Track Indoors

Because DG is made of fine particles, it can stick to shoes and get tracked into the house—especially in loose installations. Stabilized decomposed granite can help reduce this issue, but it doesn’t eliminate it entirely.

5. Surface Can Shift Over Time

Even well-installed decomposed granite may shift slightly due to:

  • Heavy rain

  • Foot traffic

  • Seasonal changes

This is normal but should be considered if you’re looking for a completely maintenance-free surface.

Is Decomposed Granite Right for Your Landscape?

Decomposed granite is an excellent choice for homeowners who value:

  • Natural aesthetics

  • Sustainability

  • Budget-friendly hardscape options

However, it may not be ideal if you want a zero-maintenance surface or need a solution for heavy vehicle use.

The best landscapes often combine DG with other materials—such as concrete edging, stone borders, or pavers—to balance beauty, durability, and function.

Final Thoughts

When installed correctly, decomposed granite can be a beautiful, practical, and eco-friendly addition to a landscape. Understanding the pros and cons of decomposed granite ensures it’s used in the right applications and performs well for years to come.

If you’re considering decomposed granite for your patio, walkway, or yard, working with a professional landscape designer can help ensure proper installation and long-term success.

Travis Bradley