Essential Guide to Landscaping Supplies

A successful outdoor project starts with choosing the right materials. From soil and mulch to gravel, stone, pavers, and plants, each landscaping supply plays an important role in the appearance, durability, and health of your yard. Whether you’re creating garden beds, building walkways, improving drainage, or installing hardscape, understanding the purpose of each material can help you make smarter decisions. The right combination of supplies can enhance plant growth, reduce maintenance, and create a more functional outdoor space. This blog outlines the essential landscaping supplies homeowners and contractors commonly use, along with practical tips for selecting the best materials for your project.

Key Takeaways

• This guide walks you through the core landscaping supplies—soils, mulches, stone, gravel, sand, pavers, plants, and retaining wall blocks—so you can plan your project with confidence.
• Choosing the right materials (e.g., compost vs. topsoil, gravel vs. crushed stone) directly affects plant health, drainage, and long-term maintenance costs.
• Match materials to your local climate, soil type, and intended use—whether you’re building paths, beds, driveways, play areas, or slopes.
• Mixing materials (topsoil + compost, pavers + sand base, mulch + edging) usually delivers the best, longest-lasting results.

Introduction: Why Landscaping Supplies Matter

Between 2020 and 2025, countless homeowners discovered that a well-planned landscaping project can transform an ordinary yard into a functional outdoor space—a place for relaxing, entertaining, and enjoying nature right outside your door. The secret? Starting with the right landscaping materials.

When we talk about landscaping supplies, we’re covering everything from soil mixes and organic matter to decorative stones, gravel, pavers, plants, and structural blocks. This essential guide to landscaping supplies is designed for DIY homeowners tackling projects like new garden beds, refreshed front yards, creating play areas, or upgrading driveways.

In each section, you’ll learn what each material is, where it works best, and simple buying tips to help you get it right the first time. Let’s dig in.

Soils and Soil Amendments: Building a Healthy Base

Healthy soil is the foundation of any landscape. Most landscaping projects use a combination of topsoil, garden soil, and compost—each serving a different purpose in promoting healthy plant growth. You can learn more about how these soil types differ and how to choose the right blend for specific projects in this ultimate soil selection guide.

Topsoil

Topsoil is the uppermost 5-12 inches of naturally occurring earth. It’s typically dark and rich, often sourced from construction sites and screened to remove debris. Use topsoil for:

• Grading low spots
• Filling raised beds
• Creating a base layer under planting beds

For most applications, contractors apply 4-6 inches of screened topsoil to create a level planting base before adding plants. This depth allows roots to penetrate while improving drainage over compacted native clay soils.

Garden Soil

Garden soil is a commercially blended product—usually 70-80% topsoil mixed with 20-30% compost, perlite, or vermiculite. This quality soil is engineered for optimal tilth with a loamy texture that balances moisture retention and aeration. It’s ideal for:

• Vegetable gardens
• Flower beds
• Raised planters

One major advantage: garden soil typically has a consistent pH around 6.0-7.0, reducing the need for amendments that native soils often require, and reusing potting soil effectively can further support healthy, sustainable planting.

Compost

Compost is decomposed organic matter—yard waste, kitchen scraps, or manure—that’s been through aerobic decomposition for 3-6 months. It’s nutrient-dense and can boost soil health significantly when used in the right proportions. Benefits include:

• Enhancing microbial activity
• Improving water-holding capacity by 20-30% in sandy soils
• Strengthening soil structure

How to combine them: For new beds, mix your existing native soil with 25-50% compost. When filling raised beds from scratch, use a garden soil blend. Top-dress established beds with 1-2 inches of compost each spring to maintain fertility and deliver essential nutrients.

Mulch: Protecting and Finishing Your Beds

Wood mulch does more than make your beds look polished, and understanding how much mulch you need helps you apply it efficiently and cost-effectively. It conserves soil moisture (reducing evaporation by up to 70%), helps regulate soil temperature, and can suppress weeds by blocking 80-90% of germination through light deprivation.

Organic Mulches

Organic mulches gradually break down and feed the soil, contributing nutrients over time; one option is using pine needles as mulch for durable, lightweight coverage that suits many plantings. Bark nuggets from pine or cedar contain natural oils that help repel insects and interlock on slopes to reduce runoff by about 50%.

Inorganic Mulches

Rubber mulch (recycled from tires) lasts 10+ years but raises concerns about zinc leaching—best limited to non-plant areas. Landscape fabric topped with stone provides long-term weed control where you need it most.

Depth and Application Guidelines

• Apply 2-4 inches around ornamentals
• Keep 1-2 inches clear around stems and trunks to prevent crown rot
• Dark brown hardwood suits modern homes; natural bark works well for cottage gardens

Avoid “volcano mulching”—piling mulch against tree trunks promotes girdling roots and disease in roughly 20% of cases.

Decorative Stone and Gravel: Texture, Contrast, and Drainage

Decorative stones add long-lasting texture and color while requiring minimal maintenance. They’re particularly popular in low-water landscapes, with xeriscaping trends increasing 25% since 2020 amid water restrictions.

Decorative Stone

River rock—smooth, rounded stones typically 1-3 inches—excels in dry creek beds that mimic natural waterways. It retains morning dew, benefiting groundcovers while requiring zero irrigation. Use decorative stone for:

• Dry creek beds
• Around water features
• Accent borders
• Adding visual appeal to garden areas

Polished pebbles (under 1 inch) work beautifully around water features, reflecting light for eye-catching contrast.

Decorative Gravel

Pea gravel (3/8-inch rounds) creates barefoot-friendly paths at $40-60 per ton; a simple formula helps you determine how much pea gravel you need for paths, patios, or borders. It’s permeable—allowing 100-200 inches per hour of water infiltration versus concrete’s zero. Options include:

• Pea gravel: Comfortable underfoot, ideal for patios and paths
• Crushed granite fines: Angular particles lock together for stable surfaces
• Lava rock: Porous red-black texture insulates in arid zones
• Marble chips: Bright and formal, but heats quickly in the sun

Rounded vs. Angular Materials

Match colors to your home’s style: neutral pea gravel and gray stone complement modern patios, while mixed river rock suits naturalistic gardens. Plan for occasional raking to maintain a neat appearance.

Crushed Stone and Landscaping Sand: Foundations and Hard-Working Fill

Paths, patios, and driveways last dramatically longer when built on proper crushed stone and landscaping sand bases rather than soil alone, and understanding the benefits of using sand and gravel in landscaping can help you design durable, low-maintenance hardscapes. These materials provide the structural foundation for most landscaping projects involving hardscaping.

Crushed Stone

Crushed stone is mechanically broken rock with angular edges that lock together under compaction. Common sizes include:

• #57 (3/4-inch): Standard base material
• #2 (1-1.5 inch): Drainage applications
• Stone dust/crusher fines: Leveling and screeding

Use crushed stone under pavers, for French drains and drainage systems, and as a sub-base for gravel driveways. A 6-inch compacted base under vehicular loads can bear 5,000+ psi—far exceeding the soil’s 1,000 psi capacity.

Landscaping Sand

Landscaping sand is a fine, free-draining material used to:

• Level pavers (1-inch screeded layer)
• Fill joints between stones (polymeric sand hardens to resist ants and erosion)
• Create soft play areas and sandboxes

Typical Layer Depths

Safety note: For play spaces, choose washed, ASTM-rated play sand free of sharp particles. When handling dry materials, wear dust protection—silica dust inhalation is a real concern.

Pavers, Edging, and Retaining Wall Blocks: Structure and Shape

Pavers, edging, and retaining wall blocks define traffic routes, separate planting areas, and tame irregular landscapes. These construction materials give your yard a clean, intentional layout that can significantly enhance your home’s curb appeal.

Pavers

Concrete pavers dominate with 60% market share for patios, offering durability at $5-15 per square foot (compared to $10-25 for clay brick and $15-40 for natural stone). This versatile material comes in various sizes from 4×8 to 12×12 inches.

Popular patterns include:

• Herringbone: Best shear resistance for driveways
• Running bond: Classic walk aesthetics
• Basketweave: Decorative patios

Fill joints with polymeric sand to cut weed incursion by 90%.

Landscape Edging

Edging keeps the lawn from creeping into beds and maintains mulch and gravel containment. Options range widely:

Retaining Wall Blocks

Retaining walls hold back soil on slopes, create raised beds, and add seating walls or retaining wall edges. Modern segmental blocks (like Allan Block) feature:

• 30-45 degree batter for stability
• Interlocking shear pins
• Dry-stack installation up to 3-6 feet without mortar

Important: While short garden walls and outlining gardens are realistic DIY projects, walls over 4 feet typically require professional design, geogrid reinforcement, and local permits. DIY failures occur in roughly 15% of tall wall attempts.

Trees, Shrubs, and Other Living Elements

Plants are the “living architecture” of a landscape—providing shade, privacy, seasonal color, and wildlife habitat. Selecting landscaping materials for your plantings requires careful consideration of your space and conditions.

Trees

Trees are long-term investments delivering 20-50% shade coverage at maturity. Key selection factors include:

• Mature height and canopy spread
• Root zone size (maples can span 30-50 feet)
• Proximity to foundations, driveways, and utilities (maintain 10-20 foot setbacks)

Shrubs and Ornamental Grasses

These versatile mid-layer plants define borders, soften hard edges, and fill foundation beds. Shrubs like hydrangeas provide hedging privacy at 6-10 feet, while ornamental grasses such as switchgrass offer no-mow texture.

Ground Cover and Alternatives

For reduced mowing and continuous, low-maintenance coverage, consider:

• Creeping thyme: Suppresses 90% of weeds at 6-inch spacing
• Clover: Nitrogen-fixing lawn alternative
• Native plants: Boost pollinators by up to 40%

Match plant choices to your USDA hardiness zone, sun exposure (full sun = 6+ hours), and soil type. A healthy backyard requires layered planting—trees for canopy, shrubs for structure, and ground cover for the finishing touch that maintains soil health and prevents grass growth in beds.

Choosing and Buying Landscaping Supplies Wisely

Smart planning before purchasing saves time, money, and headaches—especially when ordering bulk materials. Here’s how to make wise decisions on essential landscaping materials.

Estimating Quantities

Use this simple formula for mulch, soil, or decorative gravel:

Cubic yards = (Length × Width × Depth in inches ÷ 12) ÷ 27

Example: A 10 ft × 20 ft bed at 3 inches deep:

• (10 × 20 × 0.25) ÷ 27 = 1.85 cubic yards
• Round up to 2 yards (always order 10% extra)

Bags vs. Bulk Delivery

Bulk runs about $25/yard for mulch versus roughly $5 per cubic foot bagged—the math favors buying bulk topsoil and other materials for larger projects.

Quality Checks

Before buying high-quality materials from any landscape supply store, verify the product quality and consider proper topsoil storage practices to preserve nutrients and structure over time:

• Topsoil: Minimum 5% organic matter, dark color, earthy smell
• Compost: C: N ratio under 30:1, earthy scent (not sour or ammonia-like)
• Gravel/stone: Less than 5% fines when drainage is needed

Consider long-term maintenance, local climate, and any HOA or municipal regulations before selecting landscaping materials. The right materials matched to your landscaping vision make all the difference in creating a beautiful outdoor space that thrives for years.

A steady supply of top-tier materials, combined with the desired aesthetic for your outdoor living spaces and thoughtful landscape material storage at home, ensures your construction projects and plantings achieve both aesthetic appeal and maintain healthy plants season after season.

Choosing the Right Landscaping Supplies for Long-Lasting Results

Landscaping projects succeed when the right materials are chosen for the right purpose. From healthy soil blends and protective mulch to durable gravel bases and decorative stone, each supply contributes to the stability, appearance, and longevity of your outdoor space. By carefully selecting materials that match your climate, soil conditions, and project goals, you can build landscapes that look great and perform well for years to come.

If you’re looking for reliable landscape supply in Alpharetta, Mulch Pros offers a wide selection of high-quality landscaping materials to help homeowners and contractors complete their projects with confidence. Mulch Pros provides convenient bulk delivery and a variety of essential products, including pine straw, soil, gravel and sand, and firewood. Visit us to explore our full range of landscape supplies and get the materials you need delivered directly to your home or job site. Whether you’re refreshing garden beds, building a new patio base, or preparing your yard for planting, Mulch Pros makes it easier to source dependable landscaping materials for every project.

Frequently Asked Questions

How do I calculate how much mulch or gravel I need?

Measure your area’s length and width in feet, then decide on depth (typically 2-3 inches for mulch, 2-3 inches for decorative gravel). Use this formula: (Length × Width × Depth in inches ÷ 12) ÷ 27 = cubic yards. For example, a 10 ft × 20 ft bed at 3 inches deep needs about 1.85 cubic yards—round up to 2 yards to be safe.

Can I put new soil and plants directly on top of existing grass?

It’s better to remove or smother turf first for lasting results. Your options include cutting and removing sod, sheet mulching (layering cardboard topped with 4-6 inches of compost for 3-6 months to kill grass 95% effectively), or renting a sod cutter for larger areas. Skipping this step often leads to grass regrowth through your new beds.

What’s the difference between garden soil from a store and my native soil?

Bagged or bulk garden soil is a consistent blend designed for good drainage and fertility with a predictable pH (usually 6.0-7.0). Native soil varies widely in texture, nutrients, and pH—sometimes requiring amendments. Rather than replacing native soil entirely, mix the two together (50/50 works well) to improve tilth while working with what you have.

Is landscape fabric necessary under rock or mulch?

Under stone or gravel, fabric helps separate rock from soil and slows weed growth—use it with 3+ inches of stone cover. Under organic mulch, fabric actually interferes with soil improvement and can impede beneficial earthworm activity. For mulched beds, rely on proper depth (2-4 inches) and regular maintenance instead of fabric.