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Is artificial turf a good option for our dry climate?

Uploaded: Aug 29, 2021
About twenty-five years ago I had a friend who managed one of the landscaping crews at Stanford. After a few years he left to work elsewhere and explained why. “When Chelsea Clinton arrived at Stanford for her freshman year, it was going to be on all of the news shows. The university was keenly aware of that, and we got word that everything had to look just right. In some places there wasn’t enough time, so they asked us to use green paint to touch things up. That’s when I decided I was a better fit somewhere else.”

That boggled my mind at the time (green paint?!), but he was perfectly serious.

I tell this story now because (a) I thought some of you would get a kick out of it; and (b) I am reminded of it every time someone asks me about artificial turf. That’s been happening more lately in the context of the drought. “Is artificial turf a good option for our dry climate?”

On the one hand, it seems pretty sensible. Traditional lawns require copious amounts of water and often herbicides to look great, while artificial turf doesn’t need any of those.

A beautifully lush grass lawn in Menlo Park

The look and even the feel of artificial turf have improved so that it more closely approximates a natural lawn. Furthermore, it “grows” well in sun and in shade, in summer and in winter.

A small “lawn” of artificial turf in Palo Alto needs minimal care

With no water, no mowing, a consistent look, and decent resilience to traffic when properly installed and maintained, there are some very practical reasons why turf is appealing. But many of you hesitate because you know that it’s not a natural material. Is it true, you are asking, that the best option we have for saving water for lawns is to essentially wrap the ground in a sheet of plastic?

The “best” option is clearly subjective, but I thought I’d go over some of the downsides to turf that may not be evident, then review a few other options for reducing lawn water use.

Artificial turf is a large plastic barrier between the soil and the air. As such, it can heat up the compacted ground beneath and generally isolate it from the natural environment above. That makes the soil less habitable for the many insects and invertebrates that we need to sustain the ecosystem and provide food for birds and other animals. With little exchange between the soil and the air, this grass look-alike functions more like asphalt than grass.

The general structure of artificial turf. Source: Wikimedia Commons

Fake grass is also not an inexpensive option. The New York Times’ Wirecutter has a good overview of this, with many pointers to relevant information. In a nutshell, quality installations cost more because they try to mitigate some of the traditional problems with turf -- fading from UV rays, smelling from pet waste, heating up (even melting) in summer, pooling of water, seams between pieces, and so forth. I hear estimates of $10-$15/sf, and even then you can expect to replace it in about ten years. At that point it will go into a landfill and you will be back to bare and now lifeless dirt. (1)

But if you love lawns, what are your choices? I understand the appeal of lawns. I grew up with front and back lawns that my Dad carefully tended. I have a small back lawn today, and over the years we have enjoyed putting our beach towels down on it, running around with the dog, playing croquet, setting up a tent, and so on. It’s a lot softer than pavers (and usually prettier, though not this year), and it’s much less messy than something like decomposed granite. But I’ve been struggling with whether it’s the right choice. It is not looking so good as we water it much less. In addition, we don’t use herbicides, so it is constantly mixed with oxalis, clover, and dichondra, plus a type of grass that turns brown in summer (annual bluegrass). It seems harder each year to maintain the patch of lawn so it looks nice. Artificial turf would be one option, but is it the right one? Everyone’s yard needs are different, but I want to go over a few alternatives to artificial turf that may appeal.

Switch away from a lawn entirely

Sometimes we have lawns where we don’t need them functionally. Front yards and grassy strips are examples where a lawn might not be needed for frisbee games, camping, or dog playdates.

Is this front lawn functional or just aesthetic?

If you have a lawn that you don’t use as such, there are loads of other options that use less water, are easier to maintain, and provide food and shelter for local birds and insects. The right option will depend on how much time and budget you have, as well as your aesthetic preferences. Valley Water has some information here. I include a few examples in the footnotes. (2)

If undoing the lawn is too much to contemplate, the strip near the sidewalk might be a simpler possibility.

This home has a grass lawn with grass strips by the sidewalk.

This home has a grass lawn with a mulch strip.

This homeowner mulched the strip, plus a part of the yard to match.

This homeowner planted low water grasses in both areas.

Substitute a lawn equivalent

If you (or your dog?) do use your yard to run and play on, then a lawn-like equivalent may be a good option. There are a number of plants that provide lawn-like functionality but with lower water use, less need for herbicide, and a more beneficial impact on local birds, butterflies, and insects. Options I have heard touted for our area include lippia, yerba buena, varieties of carex (sedge grass), dymondia, and elfin or wooly thyme.

A lippia yard in Los Altos

A closeup of the lippia

A dymondia (aka “silver carpet”) yard in Palo Alto

Some type of sedge grass in a Palo Alto yard

Some of these plants do better in sun or in shade, and some can take more traffic than others, so you will want to look them up and ask at your local nursery. I am testing out carex pansa in my yard because it can tolerate traffic and some shade pretty well.

The demonstration garden at 851 Center Drive in Palo Alto has some samples of lippia, dymondia, wooly thyme, and a few grasses (one of which looks pretty awful!)

Some lawn alternatives at the Demonstration Garden in Palo Alto

Shrink your lawn

Another approach is just to reduce the area taken up by your lawn by carving out spaces around it that are less water intensive.

This Menlo Park home reduced their lawn size with a low-water planting in front.

They also cut out a big space on the side for sculpture and succulents.

While the landscaping project above looks like it was done when the lawn was installed, you can also do it after the fact. One way to remove lawn is to put down some compost on the grass, layer some builders paper or thin cardboard over it, wet the paper, then cover it up with arborist mulch (ideally) or some type of bark mulch. You can turn off the water to this area and let it sit over the next few months during the rainy season. The soil will gradually improve as the compost works its way in, and in a few months you can begin to plant through the paper/cardboard layer. This approach is called “sheet mulching”, and is a healthy and inexpensive way to remove lawn. There is no need to pay a gardener hundreds or thousands of dollars to use herbicides and rototillers. (3)

This Palo Alto home is removing grass by the sidewalk via sheet mulching.

Our house has an area under an elm tree where grass hasn’t grown well due to shade and shallow roots. So I decided to remove the grass but took a shortcut by just applying mulch over it. Unfortunately, that has caused the little grass that was there to grow like gangbusters through the mulch. My advice is -- don’t omit the cardboard or paper!

Removing grass under a tree canopy

Consider mulch

It is much cheaper to mulch an area than it is to put in artificial turf. If you are considering an area under a large tree, mulch will also probably look more natural than turf, since lush grass doesn’t grow under many of our trees here, like oaks or redwoods. Artificial turf can also make it more difficult for cool air and water to get to the tree roots, effectively smothering the tree. Mulch, whether leaf mulch from the tree itself or arborist mulch from elsewhere, can provide appropriate protection as well as habitat and even food for insects.

This mulched yard with green trees and shrubs in Palo Alto has a natural look

Water less (!)

As I walk around our neighborhoods, it’s clear that many residents have been trying to respond to the drought, whether by adjusting plantings or adjusting watering schedules. I expect we will be asked to reduce water use by 15% soon, and watering less often is an easy change to make. (4)

The grass is doing fine, but it’s not a lush green lawn like some shown above.

This lawn seems to be getting even less water, but it is still hanging in there.

These Los Altos residents have posted an explanation for their bare front yard.

Artificial turf is just one of many options we have for using less water for lawns. In some cases it may be the best option. It seems like a good choice for these small well-trodden cut-outs at JLS Middle School in Palo Alto.

Turfed areas at JLS Middle School

But I expect that for most of our yards we can find a way to reduce water use that is less expensive, more sustainable, longer lasting, and looks just as nice or better.

Notes and References
0. is a terrific site with lots of information about converting your garden.

1. Well, only if you’re lucky. In most cases, some of the “infill” used to protect and enhance the plastic grass will wind up in your soil. Infill is traditionally rubber crumbs, though there are some other options. If you look around the Cubberley track, you will see rubber crumbs everywhere from the previous turf field.

2. Here are a few local examples of lower-water landscaping.

This contemporary landscape mixes and matches a few different kinds of grasses with large pavers.

This landscape displays different colors, textures, and heights.

Succulents and rocks are featured in this very low-water landscape.

This spare design must be almost zero maintenance.

This yard is replete with succulents, grasses, and more.

This patch of landscape has many nice colors.

This very young landscape contains a few carefully selected plants.

Microsoft’s new campus in Mountain View has lovely landscaping.

3. Bermuda and kikuyu grass are exceptions where herbicides might be needed.

4. Some of you may also be interested in watering with recycled water. One such service is the Purple Pipe Company.

Current Climate Data (July 2021)
Global impacts, US impacts, CO2 metric, Climate dashboard (updated annually)

Source: American Meteorological Society’s State of the Climate in 2020 report

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Posted by eileen+, a resident of another community,
on Aug 29, 2021 at 3:32 pm

eileen+ is a registered user.

My community, Foster City, has a rebate program called LawnbGone available to individual homeowners and HOAs. If you replace an area of turf of a minimum size or more, follow the guidelines for the number and type of drought tolerant plants and arrange pre and post installation inspections, you could get a rebate of $2 per square foot up to 5000 square feet in 2016. I do not know the rebate amounts now. We replaced multiple areas of lawn between the sidewalk and the street. It made a $20K project for our HOA very affordable, it looks gorgeous and requires very little water through the drip system. I would chose drought tolerant landscaping ideas before artificial turf.

Posted by Eeyore (formerly StarSpring), a resident of Adobe-Meadow,
on Aug 30, 2021 at 10:45 am

Eeyore (formerly StarSpring) is a registered user.

Actually looking forward to replacing our front yard with something more fitting to our climate. Plastic grass is not an option since my toes can instantly tell the difference.

Posted by William+Hitchens, a resident of Waverly Park,
on Aug 31, 2021 at 4:12 pm

William+Hitchens is a registered user.

Artificial plastic turf looks fake, phony, and "too perfect". It's also hot in the sun. I'd use use low maintenance, grass-length plant landscaping that is viable in a semi-arid climate like ours. No chat, no mulch, nothing that needs to be raked and sprayed with Roundup or other weed killer.

Posted by SoccerDad, a resident of Palo Alto Orchards,
on Aug 31, 2021 at 4:37 pm

SoccerDad is a registered user.

Our backyard has a patch of turf has been there for 17 years, because we've had two dogs throughout, and they run across it with no problem - no mud in the winter and no brown run trail in the summer. Only maintenance is a spray with deodorizer every couple of weeks and some "weeding" of grasses that can grow on the edges. Note that many dog parks have opted for this, the DG is OK but dogs like softer turf.

Posted by Joseph E. Davis, a resident of Woodside: Emerald Hills,
on Sep 1, 2021 at 9:15 pm

Joseph E. Davis is a registered user.

I can't tell you whether or not wrapping your yard in plastic is good for the environment, but call me a skeptic. What I can tell you is that it looks bad.

Posted by Mondoman, a resident of Green Acres,
on Sep 2, 2021 at 5:15 pm

Mondoman is a registered user.

It seems to me that at least some grass areas would be ripe for conversion into vegetable gardens. Plenty of useful and tasty plants don't need much water and if you like, much of the dirt can instead be covered with mulch of your choice.

Posted by Tecsi, a resident of another community,
on Sep 3, 2021 at 12:30 pm

Tecsi is a registered user.

Just measured our front yard grass. About 40x40 for 1600 sq.ft. @$15/sq.ft. for a quality artificially lawn, that $24,000.

I like your other alternatives which are dramatically more affordable.

Posted by Trish+Bubenik+, a resident of University South,
on Sep 3, 2021 at 4:15 pm

Trish+Bubenik+ is a registered user.

Karla Dailey with the City of Palo Alto recommends native plants in lieu of grass lawns. She spoke at the Palo Alto Rotary Club meeting on August 30.

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