Hydroseeding Cost Calculator

How the calculator works

It multiplies your area by $5 per m² for hydroseeding and $50 per m² for instant turf, supplied and laid. The hydroseeding rate is for a standard seed blend on soil that's ready to spray, and all prices include GST.

Our minimum job is $490, so very small areas will come in above the calculator's figure. Everything else is indicative: your fixed quote comes after a free site check.

How to measure your lawn

You don't need to be exact. Measure the length and width of the area in metres and multiply them. For an L-shaped yard, split it into two rectangles and add them together, then take off garden beds, paths and the shed.

• A small front yard is usually 30–60m²
• A typical Melbourne backyard is 80–150m²
• The lawn areas on a new-build block are often 150–250m²

Why turf costs so much more

Instant turf is grown on a farm for a year or more, then cut, trucked and laid by hand, and you pay for every step. Hydroseeding sprays seed straight onto your soil in one visit, so most of the cost is materials. The trade-off is time: a seeded lawn takes about six weeks to its first mow.

What the calculator can't see

The biggest price changes come from the site itself. Compacted clay, rubble, weeds, tight access or a steep slope can all add to the job, and each is listed separately in your quote. Our hydroseeding cost guide explains them, with sample prices.

Pricing a large area

The calculator goes up to 1,000m². Beyond that, the rate per m² falls well below a backyard price, so the figure would be misleading. See hydroseeding cost per acre for paddocks and large blocks.