By Greg Allan, tradesman and creator of Data First Coaching
Why do so many gardening business owners get this wrong?
Many gardeners running their own business assume health and safety law is written for builders on a construction site, not for someone doing a mowing round or a hedging job down a quiet street. A sole operator edging lawns alone, or a small crew working a recurring maintenance contract across a few streets, is still running a business, so the same duties apply as they do to a company with a yard full of ride-ons. What gets missed is the ordinary stuff: bags of mulch and compost lifted for a garden bed, a whipper snipper running all day on a rain day catch-up, a trailer of green waste queued at the tip. None of it looks like a hazard until it is looked at properly, which is usually after something has already gone wrong.
What counts as a PCBU, and does it include a gardener working alone?
If you own and run your gardening business, in New Zealand you are what the law calls a PCBU, a person conducting a business or undertaking, whether that is one person with a trailer and a round of regular clients or a crew covering commercial grounds and strata contracts. WorkSafe's guide to the Act is plain that a PCBU can be an individual or an organisation, and that a self-employed person has duties of their own. Introduction to the Health and Safety at Work Act 2015 sets out the primary duty of care: a PCBU must ensure, so far as is reasonably practicable, the health and safety of workers, and that other people are not put at risk by the work. Your crew have duties too, including taking reasonable care of their own safety and following reasonable instructions, as set out on WorkSafe's Working at height in New Zealand page.
This is a data first question, not just a legal one. A gardener who knows, from their own job and crew records, which jobs involve ladders, which involve spraying, and which run heavy mowers for long stretches, can see where the real risk sits in their business rather than guessing from memory at the end of a busy season. AI agents are software that does a job the way you would, with your own prices, wording and rules, and they can keep toolbox talk records, certificate dates and incident notes current as jobs run, instead of that paperwork being chased up weeks later. Because Greg coaches online and starts from the owner's own data, a gardener works through the same data first approach wherever in New Zealand the business is based.
What duties come with the machinery and height work on the round?
Mowers, ride-ons, hedge trimmers, chainsaws for pruning and ladders for taller hedges all sit inside WorkSafe's machinery and height guidance, and the duty is to manage the risk those tools create, not just own the gear. Safe use of machinery explains that these guidelines help a PCBU meet its duties under the Health and Safety at Work Act 2015, and that a PCBU importing machinery from overseas has its own duties to make sure that gear is safe before it is used on a job.
Where a gardening business shares a job with another PCBU, for example a strata manager, a landscaper or another contractor on the same commercial grounds contract, the machinery page says a PCBU with overlapping duties must, so far as is reasonably practicable, consult, cooperate and coordinate with the other PCBUs on site. For pruning and hedging work that goes above ground level, Working at height in New Zealand says certain types of work at height must be notified to WorkSafe before work starts, and that the same primary duty of care applies to that work as to anything else your business does.
What about the compost, mulch and garden soil you handle every day?
Garden soil, compost, mulch and potting mix are named directly by WorkSafe as a health risk, because Legionella longbeachae, the bacteria behind legionellosis, is mainly found in those materials. Legionnaires' disease and legionellosis says anyone who works with bagged or bulk organic material such as garden soil, compost, mulch or potting mix is at risk of inhaling the bacteria, and that as a PCBU you have a duty to manage that risk for your crew. The same page is clear about the order of the duty: you must eliminate the risk so far as is reasonably practicable, and if that is not possible, you must minimise it with control measures.
For a gardener whose work is built around mulching garden beds and moving bagged compost through a maintenance round, this is not a once-off read. It sits inside the everyday materials the business handles, every week it runs.
What about noise, sprays and fuel carried on the trailer?
Mowers, blowers and whipper snippers running through a full day of edging and hedging can expose a crew to harmful noise, and WorkSafe's noise guidance says a PCBU must, so far as is reasonably practicable, make sure workers are not exposed above the levels it sets out. NOISE legal duties says the first step is to try to eliminate the source of the noise, for example by choosing quieter equipment, and that where hearing protection is still needed, the PCBU must provide it, pay for it, and arrange health monitoring such as audiometry testing for workers exposed to harmful noise.
Sprays and fertiliser used on lawns, and fuel carried for mowers and trailers, fall under hazardous substances law. Working safely with chemicals and fuels on farms says hazardous substances must be approved under the Hazardous Substances and New Organisms Act 1996, and that where a chemical needs an approved handler, any contractor using it, including a subbie, must hold the correct certified handler certificate. An AI agent built around your own job records can flag which certificates are coming up for renewal and which jobs on the round need one, instead of that sitting in someone's memory until it is overdue.
This is general information, not legal, tax or employment advice. Check your own situation with the body named here or a qualified adviser.
Where can you check the current rules?
- Legionnaires' disease and legionellosis - covers the risk from garden soil, compost, mulch and potting mix.
- Introduction to the Health and Safety at Work Act 2015 - covers what a PCBU is and the primary duty of care.
- Safe use of machinery - covers machinery duties, including overlapping PCBUs on shared jobs.
- NOISE legal duties - covers noise exposure, hearing protection and health monitoring.
- Working safely with chemicals and fuels on farms - covers hazardous substances and certified handler duties.
- Working at height in New Zealand - covers notification and duties for work above ground level.
- Keeping volunteers healthy and safe - covers duties where volunteers help on a job.
How does Data First Coaching approach this?
Data First Coaching starts from the gardener's own job and crew records inside the Trade Business Intelligence, not a generic checklist, because that is where the real pattern of risk in a particular round, maintenance contract or commercial grounds job actually sits. Greg Allan looks at where a safety gap keeps repeating, whether that is noise exposure on long mowing days, chemical handling on fertilising jobs, or machinery shared with another contractor, and works back to where it starts rather than treating each near miss as a one-off. The how, including the systems and agents that keep this paperwork current, is worked through inside the Academy, with members, because the Trade Business Intelligence is powered by every member who is open minded, innovative and willing to share what they learn.
