Landscape Supplies Hornsby — Native Garden Mulch, Soils, Sandstone and Delivery

Hornsby's bushland character, sloped terrain and sandy-loam soil profile shape what we supply here in ways that are distinct from every other suburb in the Hills District. What do we carry and why does it matter for Hornsby?

Mulch for Native Gardens and Bushland-Adjacent Properties

Hornsby's native gardens have specific mulch requirements because the suburb sits on siliceous, sandy-loam soil, that ground drains rapidly rather than holding water. Mulch slows moisture loss from the soil surface, but the wrong type can damage the native plants it's meant to protect.

Coarse hardwood mulch and pine bark are the best choices as they both break down slowly, release minimal nutrients into the sandy-loam beneath. They stay stable on sloped garden beds rather than washing downhill in heavy rain, and don't release the high phosphorus levels that can harm the wattles, banksias, grevilleas and angophoras that define a Hornsby garden.

Browse our mulches and barks range and order for delivery or pickup from our Galston Road yard.

Soils and Garden Mixes for Hornsby's Sandy-Loam Ground

Sandy-loam is the dominant soil type in Hornsby, and it behaves fundamentally differently from the heavy clay ground found across Castle Hill, Baulkham Hills and Dural.

In Hornsby's summers, sandy-loam drains freely and garden beds lose moisture rapidly, sometimes within a day or two of watering. The fix is building organic matter content so the soil holds water longer.

We stock premium composted garden mixes, composted topsoil and organic amendments suited to Hornsby's conditions. Added to existing garden beds, a quality composted mix improves water-holding capacity in the sandy-loam profile, supports root development in native plantings and reduces how frequently established gardens need watering through the warmer months.

Browse our soils and mixes range or describe your site to our team and we'll recommend the right product before you spend anything.

Sandstone Pavers, Cladding and Steps, the Natural Fit for Hornsby

Hornsby sits on sandstone ridges. Exposed sandstone outcrops appear naturally throughout the suburb's gardens, reserves and bushland corridors.

Our range covers standard and diamond-edged pavers for paths and entertaining surfaces, rockfaced and smooth cladding for retaining and feature walls, step and riser sets for garden staircases down sloped sections, and pier caps and half slabs for fencing columns.

All sandstone is Australian-sourced via our long-standing supplier relationships including Gosford Quarries. For decorative gravel paths and bush-style feature treatments, explore our aggregates and decorative stones range.

Drainage and Stormwater Products for Sloped Terrain

Hornsby's sloped terrain creates a drainage challenge that flat-block suburbs simply don't have. We stock the full drainage product range: stormwater pipes, U-channel drains, end caps, couplings and fittings for residential and small commercial drainage work.

We also carry a full range of sands including bedding sand and paving sand for installation alongside drainage systems and sloped-surface paving.

Structural Timber and Site Accessories

H2 treated pine for retaining walls, garden bed framing and raised planter structures on sloped Hornsby blocks where terracing is often required to create level garden areas on steeply graded sections.

We also stock weed mat fixings, surface sealers and paving cleaners so a Hornsby project can run from ground prep to finished result through a single supplier.

Hornsby's sloped terrain and sometimes narrow access streets can make delivery logistics worth thinking about. Our truck and dog fleet handles loads up to 32 tonnes in a single run for large projects, and we can discuss the right vehicle size for properties with steep driveways, a narrow lane or a block that requires careful positioning.

We deliver to Hornsby and surrounding Upper North Shore suburbs including Waitara, Normanhurst, Thornleigh, Pennant Hills, Cherrybrook, Asquith and Mount Colah.

If you're searching for landscape supplies for any of these suburbs and finding limited options locally, our Galston Road yard covers the full range no nearby supplier does.

For large or commercial supply requirements, we can quote custom delivery solutions based on your volume, access and schedule. Contact us during business hours to discuss.

Monday to Friday: 6am to 5pm

Saturday: 6:30am to 2pm

Our drive-through yard on Galston Road is set up for fast, no-fuss loading. For landscaping contractors working across Hornsby, Waitara and the Upper North Shore, that turnaround means less time between jobs.

One thing that distinguishes Martins from the local Hornsby yard: we stock the full product range in one place. If you're working a project that requires soils and mulch and sandstone and drainage products, you can source all of it here rather than making separate runs to specialist suppliers.

Visit our Dural Yard:

Monday to Friday: 6am to 5pm

Saturday: 6:30am to 2pm

Closed Sundays and public holidays.

Hornsby is a suburb where the landscape itself has a character: sandstone ridges, native bush corridors, sloped blocks that require real thought.

We've been supplying the Hills District and surrounding suburbs from Galston Road since 1970, over 55 years of understanding this region's varied soil conditions, terrain types and plant communities. Our team has over 80 years of combined landscaping and building knowledge. When you ask us which mulch won't harm your natives, or what soil amendment actually works in sandy-loam, you get a real answer from people who've been working with this ground for decades.

For Hornsby landscapers and contractors: our full-range capability is what makes us a practical primary supplier for complex Upper North Shore projects that require soil, mulch, sandstone and drainage all in one run.