20mm Quartz Medium Rock Calgary | Decorative White Landscape Rock
Create a clean, modern landscape with 20mm Quartz Medium Rock from Direct Landscape Supply. This natural decorative stone features a blend of white, light grey and subtle natural tones, providing an attractive contrast against plants, lawns, patios and other landscape features.
With its approximately 20mm angular stone size, Quartz Medium Rock is a popular style of decorative ground cover for garden beds, landscape borders, rock gardens and contemporary outdoor spaces. Its bright appearance works especially well in landscapes featuring darker pavers, retaining walls and architectural finishes.
Available loose by the cubic yard, 20mm Quartz Medium Rock can be delivered by dump truck throughout Calgary and surrounding communities.
Why Choose 20mm Quartz Medium Rock?
- Bright white and light grey tones create a modern landscape appearance
- Natural quartz stone provides a durable decorative ground cover
- Angular stone creates a textured, defined finish
- Suitable for garden beds, borders and landscape accent areas
- Can help reduce exposed soil and some weed growth when properly installed
- Does not decompose like organic mulch
- Available by the cubic yard with loose bulk delivery
Common Uses for 20mm Quartz Rock
- Decorative ground cover for front and back yards
- Flower beds and landscape planting areas
- Modern rock gardens and accent features
- Borders around patios and walkways
- Decorative areas beside retaining walls
- Low-traffic landscape pathways
- Residential and commercial landscape projects
This product is primarily intended for decorative landscaping. It should not be used as a compactable structural base for pavers, driveways or retaining walls.
Product Specifications
| Product | 20mm Quartz Medium Rock |
|---|---|
| Stone Size | Approximately 20mm |
| Material | Natural quartz stone |
| Colour | White, light grey and mixed natural tones |
| Shape | Angular |
| Primary Use | Decorative landscaping and ground cover |
| Order Unit | Cubic yards (loose bulk) |
| Coverage | Approximately 100 sq. ft. per cubic yard at 3 inches deep for planning |
| Delivery | Loose bulk by dump truck |
| Maximum Load | 10 cubic yards combined per load |
Natural stone may vary in colour, shape and size. Dust and moisture can also affect its appearance.
How Much 20mm Quartz Rock Do You Need?
Enter your project dimensions below to estimate the quantity of 20mm Quartz Medium Rock required. The calculator updates automatically and rounds up to the next half cubic yard.
Decorative Rock Quantity Calculator
Enter the length, width and desired rock depth.
Estimates are based on loose material volume. Actual requirements may vary with ground conditions, placement and settling. Maximum 10 cubic yards combined per delivery load.
Have multiple areas to calculate? Use our Advanced Bulk Volume Calculator .
20mm Quartz Rock Coverage Guide
One cubic yard of decorative rock provides approximately the following coverage:
| Rock Depth | Coverage Per Cubic Yard |
|---|---|
| 1 inch | Approx. 324 sq. ft. |
| 2 inches | Approx. 162 sq. ft. |
| 3 inches | Approx. 108 sq. ft. |
| 4 inches | Approx. 81 sq. ft. |
| 6 inches | Approx. 54 sq. ft. |
Coverage figures represent mathematical volume. A depth of approximately 2–3 inches is common for decorative stone applications, depending on the underlying surface and desired appearance.
Designing Landscapes with White Quartz Rock
White and light grey decorative stone can create a striking contrast with darker landscape materials. The angular texture of 20mm Quartz Medium Rock adds visual interest while maintaining a clean, contemporary appearance.
This material works well beside charcoal-coloured pavers, dark retaining walls, ornamental grasses and green planting areas.
It can also be used to define landscape borders or create decorative rock sections between planting beds and hardscape features.
Because lighter-coloured stone can make dust, leaves and other debris more noticeable, occasional cleaning and maintenance may be required to maintain its appearance.
How to Install 20mm Quartz Decorative Rock
- Remove weeds, debris and unwanted vegetation from the installation area.
- Level and prepare the underlying ground to establish the desired finished grade.
- Install suitable landscape edging where needed to help keep decorative rock contained.
- Consider whether landscape fabric is appropriate for the area. Fabric is not required for every landscape installation.
- Calculate the required quantity based on the area and desired stone depth.
- Spread the quartz rock evenly and rake to create a consistent finish.
- Remove surface debris periodically to maintain the bright appearance.
For planting areas, keep stone clear of sensitive plant crowns and allow suitable space around stems and trunks.
Quartz Rock vs. River Rock
Quartz Medium Rock and rounded river rock can both be used for decorative landscaping, but they create different appearances.
20mm Quartz Medium Rock features angular particles and a bright blend of white and grey tones. It is well suited to modern landscape designs and defined decorative borders.
River rock generally has a smoother, rounded appearance and is often selected for natural-looking landscape features.
The choice depends on your preferred colour, texture and overall landscape design.
Bulk Quartz Rock Delivery in Calgary
Direct Landscape Supply offers 20mm Quartz Medium Rock by the cubic yard with loose bulk dump truck delivery throughout Calgary and surrounding communities.
Material is typically unloaded on a suitable driveway or approved street-side location. Enter your preferred dumping area and access instructions during checkout. Final placement depends on safe site conditions and driver discretion.
Available delivery options and charges are calculated at checkout based on your order and location. Flex and Scheduled delivery may be available. Same-day service may also be offered for qualifying loose bulk orders when routing and scheduling permit.
Orders are limited to 10 cubic yards combined per load. Eligible split-load delivery of two different loose bulk materials may be available, with additional charges where applicable.
Review our Bulk Landscape Material Delivery Calgary guide for delivery scheduling and unloading information.
Frequently Asked Questions About 20mm Quartz Rock
What is 20mm Quartz Medium Rock?
It is a natural decorative quartz stone with approximately 20mm angular particles and a blend of white, light grey and natural tones.
What is quartz rock used for in landscaping?
Common uses include garden beds, decorative borders, rock gardens, landscape accents and areas surrounding patios and walkways.
What colour is 20mm Quartz Medium Rock?
It features a blend of white, light grey and subtle natural tones. Colour variations are normal in natural stone.
Is quartz rock good for garden beds?
Yes. Quartz rock can provide decorative ground cover in suitable garden beds. Consider the needs of the plants and the effect of stone on soil temperature.
Can quartz rock be used for pathways?
It can be used for decorative or low-traffic pathways where loose angular stone is appropriate. It is not a substitute for a properly constructed compactable pathway base.
Does decorative quartz rock prevent weeds?
A suitable layer of decorative stone can help reduce exposed soil, but it will not eliminate all weed growth. Periodic maintenance may still be required.
Is landscape fabric required under quartz rock?
Not always. Landscape fabric may be useful in some decorative installations, but its suitability depends on the area and planting conditions.
How deep should I install 20mm decorative rock?
Approximately 2–3 inches is common for decorative ground cover. The appropriate depth depends on the project and underlying surface.
How much does one cubic yard of quartz rock cover?
One cubic yard covers approximately 162 square feet at 2 inches deep or 108 square feet at 3 inches deep.
Does white quartz rock require maintenance?
Decorative quartz rock generally requires less replenishment than organic mulch, but leaves, dust and debris may need to be removed periodically.
Can quartz rock be used for drainage?
Quartz rock may allow water to pass through the spaces between particles, but suitability for a drainage system depends on grading and project requirements. Confirm the specified drainage aggregate before use.
Can I buy white decorative rock in Calgary?
Yes. Direct Landscape Supply offers 20mm Quartz Medium Rock by the cubic yard with loose bulk delivery in Calgary and surrounding communities.
How is 20mm Quartz Medium Rock delivered?
It is delivered loose by dump truck to a suitable unloading area. Provide your preferred placement instructions during checkout.
Is delivery included in the rock price?
Delivery charges are calculated separately at checkout based on your order and location.
Explore More Decorative Landscape Rock
Looking for another colour or stone size? Direct Landscape Supply offers a selection of decorative rock, river rock and landscape aggregates for residential and commercial projects.
Browse our Calgary Gravel, Sand and Aggregates Collection to compare available materials.



