Landscaping Rocks – Types and Designs

Landscaping rocks are a versatile and attractive way to enhance your outdoor spaces. They add texture, color, and dimension to gardens, pathways, and other areas. You can easily create a beautiful and functional outdoor environment with the help of different types of landscaping rocks. Below are some landscaping rocks and ideas for using them in your yard. 

Benefits of Landscaping Rocks

  • Landscaping Rocks are low maintenance. Once installed, they require minimal upkeep.
  • They are durable. They withstand weather changes and last long.
  • Rocks can also help prevent weed growth.
  • They reduce water evaporation from the soil.

Selecting the Right Size and Type

Small Rocks (Pea Gravel, Marble Chips): These are suitable for pathways, garden beds, and as mulch.

Medium Rocks (River Rocks, Lava Rocks): These are suitable for borders, water features, and accent pieces.

Large Rocks (Boulders, Flagstones): These are best for focal points, retaining walls, and patios.

Preparing the Base

  • Excavate the area to a depth of 4-6 inches.
  • Lay landscape fabric to prevent weed growth.
  • Add a base layer of gravel or sand for stability and drainage.

Different Types of Landscaping Rocks

1. River Rocks

River Rocks are smooth and round in texture. The rocks come in various sizes and shades of grey, brown and tan.

These landscaping rocks are ideal for pathways, dry riverbeds, borders and water features due to their smooth texture. 

The layer should be about 2-3 inches deep.

Landscaping rocks - river rocks

Pricing: Approximately $100 per cubic yard.

Coverage: 1 cubic yard covers around 100 square feet at a 3-inch depth.

Types: 

  • Single Colour
  • Multi Colour
Multi color river rock
multi color river rock

River rocks are naturally smoothed by water, making them perfect for creating serene, natural-looking features in your garden.

2. Gravel

Gravels are small, crushed stones available in colors like white, grey, and multicolored.

Gravels are suitable for driveways, and pathways, and as a base for pavers. These are also used in garden beds to improve drainage. 

The layer should be about 2-3 inches deep.

Gravel

Pricing: Around $50 per cubic yard.

Coverage: 1 cubic yard covers 100 square feet at a 3-inch depth.

Types:

  • Single Colour
  • Multi Colour

Gravel improves drainage and provides a stable base for other structures.

3. Lava Rocks

Lava Rocks are porous and lightweight, usually red or black.

Lava Rocks are excellent for mulch in garden beds, retaining moisture and deterring weeds. Lava Rocks are also used in fire pits and decorative accents. 

The layer should be about 2-3 inches deep.

Lava rocks

Pricing: Approximately $75 per cubic yard.

Coverage: 1 cubic yard covers 100 square feet at a 3-inch depth.

Types: 

  • Red Lava Rocks
  • Black Lava Rocks
Red lava rocks
red lava rocks
Black lava rocks
black lava rocks

Lava rocks are volcanic and add a unique texture to any landscape.

4. Flagstone

Flagstones are flat and come in irregular shapes and colors such as red, blue, and grey. 

These landscaping rocks are suitable for patios, walkways, and stepping stones. Its natural look is perfect for rustic designs.

Lay about 2 inches of sand or gravel base.

Flagstone

Pricing: Around $300 per ton.

Coverage: 1 ton covers about 80-100 square feet.

Types:

  • Red Flagstone
  • Blue Flagstone
Red flagstone
red flagstone
Blue flagstone
blue flagstone

Flagstones create natural, rustic pathways and patios.

5. Boulders

Boulders are usually large rocks, available in different shapes, sizes, and colors.

Boulders have great focal points in a landscape. These can be used to create rock gardens, retaining walls, and natural seating areas.

Directly placed on the ground; ensure stability.

Boulders

Pricing: $100 to $200 per ton.

Coverage: Depends on size and usage.

Types:

  • Single Colour
  • Multi Colour
Single color boulders
single color boulder
Multi color boulders
multi-color boulder (zoomed out view)

Boulders are ideal for creating dramatic, natural-looking features.

6. Marble Chips

Marble Chips are small, white stones that add elegance to any landscape.

Marble Chips are great for garden borders, and walkways, and as a top layer for flower beds. They reflect light, brightening up shady areas.

The layer should be about 2-3 inches deep.

Marble chips

Pricing: Around $200 per cubic yard.

Coverage: 1 cubic yard covers 100 square feet at a 3-inch depth.

Types:

  • White Marble Chips
White marble chips
white marble chips

Marble chips reflect light, brightening up shady areas and adding a touch of sophistication.

7. Decomposed Granite

Decomposed Granites are finely crushed stone that compacts well, in colors like tan, gold, and reddish-brown.

These landscaping rocks are perfect for pathways, and driveways, and as a base material for other features. It gives a natural look and is easy to maintain.

The layer should be about 3-4 inches deep.

Decomposed granite

Pricing: Around $75 per cubic yard.

Coverage: 1 cubic yard covers 80-100 square feet at a 3-inch depth.

Types:

  • Tan Decomposed Granite
  • Gold Decomposed Granite
Tan decomposed granite
tan decomposed granite
Gold decomposed granite
gold decomposed granite

Decomposed granite provides a natural look and is easy to maintain.

8. Slate Chips

Slate Chips are thin, flat slate in shades of grey, black, and blue.

Great for a modern, sleek look in gardens and pathways. Slate chips can also be used as mulch.

The layer should be about 2-3 inches deep.

Black slate chips

Pricing: Approximately $100 per cubic yard.

Coverage: 1 cubic yard covers 100 square feet at a 3-inch depth.

Types: 

  • Gray Slate Chips
  • Black Slate Chips
Grey slate chips
grey slate chips
Slate chips
black slate chips

Slate chips add a contemporary feel to any landscape design.

9. Sandstone

Sandstones are available in colors like beige, red, and brown, with a soft, natural texture.

These landscaping rocks are suitable for walls, pathways, and garden edging. Sandstone’s earthy tones blend well with natural landscapes.

The layer should be about 2-3 inches deep.

Pricing: Around $150 per ton.

Coverage: 1 ton covers about 80-100 square feet.

Types:

  • Beige Sandstone
  • Red Sandstone
Beige sandstone
beige sandstone
Red sandstone
red sandstone

Sandstone’s earthy tones blend well with natural landscapes.

10. Pea Gravel

Pea Gravel are small, rounded stones usually in shades of brown, tan, and white.

These are perfect for pathways, driveways, and as a base for pavers. Provides a smooth, comfortable surface for walking.

The layer should be about 2-3 inches deep.

Pea gravel

Pricing: Around $60 per cubic yard.

Coverage: 1 cubic yard covers 100 square feet at a 3-inch depth.

Types:

  • Brown Pea Gravel
  • White Pea Gravel
Brown pea gravel
brown pea gravel
White pea gravel
white pea gravel
Multi color gravel
multi-color pea gravel

Pea gravel provides a smooth, comfortable surface for walking.

11. Cobblestone

Cobblestones are rounded stones in various sizes and colors, typically grey and brown.

Cobblestones are ideal for creating rustic pathways, driveways, and garden borders. It adds an old-world charm.

The layer should be about 3-4 inches deep.

Cobblestone

Pricing: Around $300 per ton.

Coverage: 1 ton covers about 80-100 square feet.

Types:

  • Gray Cobblestone
  • White Cobblestone
Gray cobblestone
grey cobblestone
White cobblestone
white cobblestone

Cobblestones are made from durable stones like granite or basalt, adding old-world charm.

12. Crushed Stone

Crushed Stones are angular rocks in various sizes and colors, commonly grey.

These are used as a base material for driveways, pathways, patios for drainage and as ground cover.

The layer should be about 3-4 inches deep.

Crushed stone

Pricing: Around $50 per cubic yard.

Coverage: 1 cubic yard covers 100 square feet at a 3-inch depth.

Types: 

  • Gray Crushed Stone
Gray crushed stone
gray crushed stone

Crushed stone provides excellent drainage and a stable base for other landscaping features.

13. Fieldstone

Fieldstones are naturally occurring, and come in irregular shapes and colors like grey, brown, or red.

These are excellent for retaining walls, garden borders, and rustic pathways.

Place directly on the ground.

Fieldstone

Pricing: Around $150 per ton.

Coverage: Depends on size and usage.

Types: 

  • Gray Fieldstone
  • Brown Fieldstone
Gray fieldstone
gray fieldstone
Brown fieldstone
brown fieldstone

Fieldstones add a natural, rustic touch to your landscape.

14. Quartzite

Quartzites are hard, metamorphic rock in colors like white, grey, and pink.

Uses: These are ideal for decorative accents, pathways, and garden borders. Durable for high-traffic areas.

The layer should be about 2-3 inches deep.

Quartzite

Pricing: Approximately $100 per ton.

Coverage: 1 ton covers about 80-100 square feet.

Types:

  • White Quartzite
  • Pink Quartzite 
Pink quartzite
pink quartzite
White quartzite
white quartzite

Quartzite is durable and perfect for high-traffic areas.

15. Mexican Beach Pebbles

Mexican Beach Pebbles are smooth, rounded pebbles in shades of black, grey, and blue.

These rocks are great for decorative accents, pathways, and garden borders. Its unique color and smooth texture suit modern landscapes.

The layer should be about 2-3 inches deep.

Mexican beach pebbles

Pricing: Around $500 per ton.

Coverage: 1 ton covers about 80-100 square feet.

Types: 

  • Black Mexican Beach Pebbles
  • Grey Mexican Beach Pebbles
Gray mexican beach pebbles
gray mexican beach pebbles
Black mexican beach pebbles
black mexican beach pebbles

Mexican beach pebbles add a unique, modern touch with their smooth texture and striking colors.

Design Ideas

1. Dry Riverbed

Mimic natural stream using landscaping river rocks and gravel.

Dry riverbed

Implementation: Choose an area where water naturally flows or direct water runoff. Dig a shallow trench, line it with landscape fabric, and fill it with river rocks and gravel. Plant drought-resistant plants along the edges.

2. Rock Garden

Use a mix of landscaping rocks, boulders, and plants for a low-maintenance garden.

Rock garden

Implementation: Arrange boulders and larger rocks first, then fill gaps with smaller rocks and gravel. Plant succulents and other drought-tolerant species between rocks.

3. Flagstone Patio

Create a beautiful, durable patio.

Flagstone patio

Implementation: Excavate the area, lay a base of compacted gravel, and arrange flagstones. Fill gaps with sand or gravel and add a border of smaller rocks or bricks.

4. Rocky Pathway

Design a natural, rustic pathway.

Rocky pathway

Implementation: Mark the path, excavate, and lay landscape fabric. Fill with gravel or decomposed granite and edge with larger rocks or metal edging.

5. Water Feature

Create a tranquil water feature.

Water feature

Implementation: Choose a spot for a pond or fountain. Use river rocks, flagstones, and boulders to create a natural look. Add aquatic plants and decorative elements like a small bridge or stepping stones.

6. Boulder Retaining Wall

Build a sturdy, attractive retaining wall.

Boulder retaining wall

Implementation: Excavate the area, place the largest boulders at the bottom, and stack smaller ones on top. Fill gaps with gravel or smaller rocks to stabilize the wall.

7. Marble Chip Borders

Create elegant borders for flower beds and pathways.

Marble chip borders

Implementation: Lay landscape fabric and spread marble chips evenly. The white color contrasts beautifully with green plants.

8. Slate Chip Mulch

Enhance garden beds and pathways with slate chips.

Slate chip mulch

Implementation: Lay landscape fabric to prevent weeds and spread a thick layer of slate chips. The dark color contrasts strikingly with green foliage.

9. Sandstone Pathways

Create natural-looking pathways.

Sandstone pathways

Implementation: Arrange large sandstone pieces along a path, filling gaps with smaller stones or gravel.

10. Pebble Mosaic

Design intricate patterns using Mexican beach pebbles.

Pebble mosaic

Implementation: Lay out a design and embed the pebbles in concrete or mortar for unique stepping stones or decorative accents.  

Tips for Using Landscaping Rocks

  • Plan and Design: Sketch your design and plan rock placement, considering size, color, and texture.
  • Prepare the Area: Excavate, lay landscape fabric, and add a base layer of gravel or sand.
  • Combine Different Types: Mix rock types for visual interest and texture.
  • Consider Maintenance: Some rocks may need occasional raking; landscape fabric reduces weed growth.
  • Balance and Harmony: Distribute rocks evenly to avoid clutter.
  • Enhance with Plants: Choose plants that thrive in your climate and consider their water needs.

FAQs

Answering most frequently asked questions from our clients:

What does 1 ton of landscape rock cover?

It covers 80-100 square feet.

How much area does 1 cubic yard of rock cover?

1 cubic yard of rock covers 100 square feet at a 3-inch depth.

Are rocks cheaper than mulch?

No, generally mulch is cheaper.

What size rock is best for landscape?

Depends on use: pea gravel for pathways, boulders for focal points, and others as per need.

Do you need to put anything under landscaping rocks?

Yes, it is recommended to use landscape fabric to prevent weeds.

What is the cheapest rock to use for landscaping?

Gravel. It costs around $50 per cubic yard.

What are the cons of landscaping rocks?

There are multiple cons of landscaping rocks such as high cost, they can be hard to move, they don’t decompose, and so on.

How much rock do I need for 100 sq ft?

100 sq ft requires 1 cubic yard of rocks.

How many inches deep should rock be for landscaping?

It depends on the type of rock. But generally it is 2-4 inches deep.

Do rocks add value to your home?

Yes, they enhance curb appeal.

Do rocks or mulch attract bugs?

Mulch can, but rocks are less likely to attract bugs.

What is the difference between gravel and base?

The basic difference between Gravel and base is that Gravel is decorative, whereas base is for stability and drainage.

Why are my rocks turning black?

There might be dirt accumulation or growth of algae.

What is the best tool for removing landscape rocks?

One of the best tools for landscape rock is Rake or shovel.

How do you make landscape rocks look wet permanently?

To make landscape rock wet permanently, it is recommended to apply a clear sealant.

Will bleach clean landscape rocks?

Yes, but use diluted and rinse thoroughly.

What can you spray on landscape rocks to make them shiny?

Clear outdoor sealant should be used to make landscape rock more shiny.

How do you keep rocks from sinking into dirt?

You can use landscape fabric and a gravel base to prevent rocks from sinking into dirt.

What are Decorative Fines (Chat)?

Decorative Fines are finely crushed rock used for paths and as a base.

Conclusion

Landscaping rocks can be used in multiple ways to enhance the beauty of outdoor spaces. They can be used for various things.

Their natural beauty and versatility make them perfect for any design.

You can turn your yard into a beautiful and functional area by learning about the different types of rocks and exploring creative ideas.

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