Lawn grass is a bigger problem than you might think. Here’s why, and what you can do | 24CA News
It’s simple to really feel hopeless about local weather change, to imagine most options are out of your arms. But you may assist repair one of many greatest environmental problems with our time, because it’s most likely rising proper in your individual yard: garden grass.
Most Canadian yards are a sea of non-native, inedible turf grass. Not advanced for our local weather, it requires intensive upkeep, watering and fertilizer inputs, and supplies nearly no worth to native species.
Yet this “eco-desert” is the biggest irrigated crop in North America.
“It’s an ecological disaster, but it’s also a moral disaster,” mentioned Doug Tallamy, an entomologist on the University of Delaware who has lengthy advocated for owners to scale back their garden area.
Fortunately, he mentioned, this is likely one of the uncommon ecological and local weather points pushed virtually fully by particular person selection, as the vast majority of garden grass is maintained on privately owned residential property.
To Elaine Wiersma of Thunder Bay, Ont., meaning the accountability is within the arms of individuals like her.
“Changing your lawn, you know, making those decisions to change is something that’s within your own power,” mentioned Wiersma, an affiliate professor in Lakehead University’s division of well being sciences. “While we do need to do and to have collective action, there are things that individuals can do themselves that can make a huge contribution.”
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Over the final decade, Wiersma and her household have been slowly changing their garden grass with native species. She mentioned the consequence has been unimaginable.
“It’s this oasis of biodiversity and life within this eco-desert of lawns. It’s just such an incredible privilege to be able to provide this space and to be able to nurture it in the little way that we can.”
That’s not radical. That’s simply widespread sense.– Doug Tallamy, entomologist and garden naturalization advocate
Tallamy mentioned owners usually need to help ecosystems, however conference will get in the way in which.
“We need to change our mindset about esthetics,” mentioned Wiersma. “We tend to look at natural areas and naturalized yards as being kind of messy. It doesn’t have to be messy. It can be very, very beautiful in its own right.”
Easier than ever to get began
Nina-Marie Lister is knowledgeable planner and director of the Ecological Design Lab at Toronto Metropolitan University, the place she’s a professor and graduate director of the School of Urban and Regional Planning.
Lister mentioned naturalizing your garden might be empowering.
“Lawn naturalization is easy because it’s right at your doorstep. If you have a lawn, it’s an easy place to start and it shows immediate results. … it’s something very tangible. When you dig in the sod, you turn it over, you plant something else, you see the result. So it’s a very rewarding thing to do.”
Though garden naturalization has been acknowledged as a constitutional proper for many years in Canada, cities are nonetheless enjoying catch-up with their bylaws. Lister needed to combat a quotation over her personal naturalized yard.

She mentioned that in her expertise, few bylaws that dictate your yard are enforceable, save for guidelines round chopping your non-native turf grass. Still, she acknowledges few individuals need to go to courtroom over it.
Fortunately, many Canadian cities are lastly catching up.
Lister mentioned that for these inquisitive about bringing their municipality consistent with the Constitution, she, together with lawyer David Donnelly and her crew of graduate college students, have created fashions for what she calls the Bylaws for Biodiversity.
Nowadays, Lister mentioned, the most important hurdle is getting began. Here’s what she and different consultants suggest:
- Speak to grasp gardeners or a non-governmental group (NGO) dedicated to biodiversity in your group.
- Choose native native plant backyard centres over big-box shops. They carry extra species which can be truly native to the world and know what grows properly — and if they do not have one thing, simply ask.
- Know the world you need to naturalize, together with how a lot gentle it will get and the kind of soil.
- Avoid pesticides so as to let native vegetation develop among the many turf grass.
- If the turf grass is just not too established, strive overseeding with native species.
- Save and swap seeds. Community seed swaps enhance biodiversity for everybody.
‘Just widespread sense’
Tallamy’s personal push to alter the notion of what a yard ought to appear to be was labelled “radical” by the Washington Post — a characterization he, and others who take pleasure in their naturalized yards, roundly reject.
“All I’m really saying is we need to put more plants in the landscape, more powerful native plants, and to do that we have to have less lawn,” he mentioned. “That’s not radical. That is just common sense.”
Tallamy mentioned that for any panorama to be sustainable, it must do 4 issues:
- Sequester carbon.
- Manage the watershed.
- Support native pollinators.
- Support the vegetation that make up the bottom of the meals internet.
If a panorama cannot present these ecosystem providers — a time period for advantages {that a} panorama supplies to each wildlife and other people — it falls on taxpayers to do it as an alternative. And that is way more costly.

To that finish, Tallamy advocates for what he calls a “Homegrown National Park,” an initiative began within the U.S. to get individuals to naturalize their lawns. He mentioned he obtained the concept when he heard there have been over 40 million acres (1.62 million hectares) of garden within the U.S.
“I said, well, gee, what would happen if we cut that area in half? That gives us 20 million acres [8.1 million hectares) that we could put towards conservation right at home … if you add up our major [U.S.] national parks, it’s still less than 20 million acres.”
The impression of naturalizing even a chunk of all of the lawns in a neighbourhood might be large, particularly by ameliorating the city warmth island impact and offering much-needed stepping-stone habitat to help species in danger, mentioned Jode Roberts on the David Suzuki Foundation.
The Vancouver-headquartered basis is at present conducting analysis to get extra Canada-specific statistics on the true extent and impression of our lawns, however they’ve compiled these numbers within the meantime:
- More water and fertilizer is used on garden grass than corn and wheat mixed in Canada and the U.S.
- In North America, extra emissions are produced by garden mowers every year than all of the vehicles offered in Canada in 2022.
- Lawn care accounts for nearly one-third of all residential water use within the U.S.
- Canadians spend billions of {dollars} on their grass every year.
- The common individual spends 150 hours tending to their garden yearly.
Roberts has a naturalized yard himself, and mentioned he is pleased with the choice.
“I can spend less than 150 hours, and each hour I get to kick up my heels and and have a beer on my patio rather than spending my my scarce time working on my beautiful landscape.”
Lister agrees.
“Naturalized yards are lower maintenance. They’re not no maintenance and they’re often more work initially … [but] I’d say it’s more joyful work.”
Not all or nothing
Most naturalization advocates acknowledge at the least one constructive about garden grass, because it’s one of many few vegetation that may stand as much as always being trampled — although they say that is a poor motive to maintain an entire yard of it.
“I actually don’t see any children playing on any front lawns anywhere. But when kids come to my front garden, all the stuff that they see really engages them,” Claudette Sims, former president of the Master Gardeners of Ontario, mentioned from her house in Hamilton. “Kids appreciate, you know, you lift the stones, and you can see the ants, and the pill bugs and all that cool stuff underneath.”

In Thunder Bay, Wiersma mentioned, her household feels the identical method.
“You [don’t] have to convert your whole lawn to gardens. We didn’t do that until our son grew up and realized he didn’t need all that lawn space anymore,” mentioned Wiersma, whose son is now 17 and grew up with a lot of the yard naturalized.
“We get such joy out of being in our backyard. We are in a suburban area … it’s amazing to be able to go out in the garden, and to see so many different kinds of insects and different kinds of pollinators, to see … the birds that come by especially during migration season — all kinds of different warblers, and sparrows and you name it.”
Wiersma is at present researching what drives individuals to naturalize their lawns. She mentioned that for many, it is a approach to each be linked to nature and reserve it.

Everyone CBC spoke with emphasised they don’t seem to be advocating for garden grass to go away fully. Having grass in public parks and leisure areas is important and conserving a part of your garden could make sense if will probably be used.
Sims retains grassy paths by means of her native backyard so she will be able to stroll amongst the vegetation.
Tallamy additionally acknowledged the concept of extra bugs within the yard is probably not interesting to everybody, however he hopes individuals perceive how essential it’s at a time when we face a world disaster of insect declines.
“You lose pollinators, you lose 90 per cent of the flowering plants on the planet. That’s the end of food webs. Then you lose all the vertebrates.”
He added that for a single nest of birds to fledge, they want 6,000 to 9,000 caterpillars. Plus, extra native bugs usually imply much less of the pests individuals dislike.
“If you own property, it is your responsibility to be a good steward of that little piece of the Earth,” mentioned Tallamy. “It’s your responsibility because you need a functioning ecosystem. Everybody depends on it.”
Converting a nook of your garden would possibly not seem to be it may make a distinction. The message from those that have finished it?
“You’d be surprised.”
