These High-Tech Garden Tools Will Do Your Yard Work for You
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These High-Tech Garden Tools Will Do Your Yard Work for You

Innovations like autonomous mowers and weeding robots let you upgrade your corner of nature.

Mon, Apr 19, 2021 12:01pmGrey Clock 6 min

Whenever the weather permits, Britt Wood drinks his morning coffee on his patio, proudly watching his little guy mow his lawn. No, he doesn’t have a particularly diligent son. Mr. Wood, the CEO of the National Association of Landscape Professionals, recently purchased an autonomous robot that drives around his South Riding, Va., yard, quietly munching each blade of grass down to the ideal 2½-inch height.

“It makes life a little easier,” said Mr. Wood of the convenient, “pet-like” robot. “Once you get one of these, your lawn never looks better.”

If 2020 was the year that many grew dependent on their backyards as a safe outdoor refuge, then 2021 might be the year they figure out how to spend less time maintaining their go-to retreats. One appealing solution: Upgrade the way you nurture your corner of nature with techy new tools—from robots that cut down weeds to sprinkler systems that rejig their run time depending on impending weather.

Anything that lets Americans enjoy more stress-free hours outside is good news: 27% of homeowners overhauled their gardens in 2020 and 19% plan to tackle an outdoor improvement project in 2021, according to a December 2020 survey by tool manufacturer Craftsman.

Here, our guide to the gear that might leave your neighbours wondering how you’ve gotten your garden so trim and tidy.

Lawn Labourers

Set an autonomous electric mower like Husqvarna’s Automower to run overnight and you can sleep later the next day—and achieve a cleaner, greener cut than most push models can deliver. By giving grass a regular (even daily) trim instead of lobbing off a lot once weekly, robo mowers leave small clippings the soil can more easily reabsorb, said Frank Mariani, the owner of Mariani Landscaping in Lake Bluff, Ill. An app controls the mower’s schedule, sets trimming height and, once you install the included boundary wires around your property, pings you if the robot leaves your yard in the arms of a jealous thief. Depending on the model, the mowers can chug away for up to four hours per charge, and, like Roombas, drive themselves back to their doghouse-like charging stations to juice back up. With their sensors, robo mowers are also safer than most manual counterparts. “You could practically lay your baby in front of the mower and nothing would happen,” Mr. Mariani said. When choosing a mower, consider the square footage and incline of your yard. Many less-expensive, lower-powered models freeze up on hills to prevent toppling. And be warned: an automower won’t give your lawn stripes of just-mowed green. (From $1699,

Wise Waterers

Water your grass too little, and it will shrivel into straw. Too often, and you’ll weaken the roots while encouraging mould and bacteria to grow. “That’s where smart irrigation comes in,” said Mr. Wood, who explained that smart weather-and-moisture-sensing systems outperform traditional irrigation setups—and waste less water—when it comes to keeping your garden hydrated. The Rachio 3 smart irrigation system controller, for example, automatically adjusts your watering schedule to coming weather patterns in your area. Just replace your old sprinkler controller with Rachio’s using the wires from your existing setup, and use the companion app to set a watering schedule for your system’s eight or 16 zones (from approx. $300, For the most strategic watering schedule possible, pair the Rachio with Weatherflow’s new Tempest Weather System. Once you install the water bottle-sized personal weather station on a post or pole 6 feet off the ground, the device will provide a forecast via its companion app that beats the local news for accuracy. The Tempest app will even alert you to garden-wrecking weather events like frost and high winds. (approx. $420,

To avoid making the same deadly watering mistakes in your potted plants and container gardens, stick Ecowitt’s unobtrusive Soil Moisture Sensor with Digital LCD Display into the soil. The device measures root wetness to tell you via a delightful potted plant graphic on the display when it’s time to water ($40, Alternatively, opt for a pot that does the measuring for you. Just fill the Self-Watering Wet Pot’s outer glass reservoir with water, and your finicky forsythia will absorb only what it needs through the inner, terra-cotta pot walls (from around $44,

Hedge Hairstylists

Heavy, roaring, gas-powered trimmers can seem more than mildly threatening. But new, electric variants are tame enough to let anyone become a serene topiary artist. “The [battery] tech is finally to a point where it really makes sense to use it,” said Mr. Wood of the quiet, cordless models that have recently hit the market. At only 5 pounds, Craftsman’s new V20 Cordless 2-In-1 Hedge Trimmer and Grass Shear Kit is lightweight enough to let you one-handedly hack at unruly bushes and overgrown flower beds ($80, Komok’s Cordless Electric Pruning Shears, meanwhile, use a carbon-steel blade and brushless motor to deftly cut through branches up to 1.2 inches thick ($296, The best part? Your neighbours won’t want to turn the hose on you for disturbing the peace all afternoon.

Weed Cutters

Sure, you could crouch in the dirt pulling weeds out by the root. Or, you could sic the turtle-like Tertill Garden Weeding Robot on them. Every day, the Tertill roams your plant beds, chopping the tops off emerging weeds before they suffocate your dahlias. With a rugged, weatherproof shell and top-mounted solar panel to power the device, it can stay in your garden all season long. Just remember to cage your seedlings. (approx. $450,

Flight Tracker

Feel like you take wildlife for granted? Try the Bird Buddy smart feeder to acquaint yourself with your local flying families. Using AI, an integrated camera and a companion phone app, the device counts up the variety of species who have come to nosh. “It’s like Pokémon Go for birds,” said co-founder Franci Zidar of the way the app turns attracting avian visitors into a game. Just add bird seed. (approx. $245,


Subscription services that deliver seeds, moss and more to your door

Moss of the Month

For forest-y vibes in a shady corner of your backyard or a shot of color in an austere rock garden, moss does nicely. Monthly deliveries from the forests of Arkansas give you the chance to decorate with spiky haircap, plush pillow and delicate fern mosses. (around $62 for three months,

My Garden Box

Gardening is about more than just the green stuff that comes out of the dirt. While it certainly delivers live plants, like Japanese painted ferns and Crotons, this subscription plan often includes interesting containers, soil and fertilizer, tools and accessories. (approx. $50 a month,


This quarterly box from container-gardening experts based in Dallas delivers healthy, rooted herbs and flowers, selected for your region and growing conditions. You’ll also get access to Gardenuity’s Grow Pro service, with on-call expert advice and weather alerts. (approx. 193,

Bloomin Bin

While most garden plans focus on spring and summer plots, Bloomin Bin gives you year-round, season-specific seeds and saplings in a quarterly box. Each one comes with detailed care instructions from a master gardener, and a choice of flowers or fruits/vegetables. (From $10,

Seed Bank Box

Each month, subscribers receive eight to 10 varieties of organic seeds of unusual herbs, edible flowers and vegetables along with info cards. The April box includes seeds for Thai Pink Egg Tomatoes, Carentan Leeks, and Red Fire Orach. (around $28 a month,

—Matthew Kronsberg


Professional green thumbs on no-tech, time-honoured paths to perfecting your plot

Edwina von Gal

Landscape Designer, founder of the Perfect Earth Project

If you’re willing to mow higher and let your lawn look more relaxed and thicker, the grass will naturally out-compete weeds. We say that you grow to 4 inches, then cut to 3 inches. It should look tousled—like you want to flop into it.

Patricia Algara

Founding Principal of BASE Landscape Architecture

Any space, no matter the size, can be a bee-friendly, pollinator garden. Even on your balcony, a pot of flowers (bees love blue and purple) can provide them with food. Leave fresh water with stones or marbles so bees can drink without drowning.

Beronda Montgomery

Author of Lessons from Plants

Grow plants of the same height together, like purple coneflowers and black-eyed Susans, or companion plants that require different, complementary nutrients. These types of pairings are beneficial because they limit biological competition for access to light or nutrients.

Dan Bifano

Master Rosarian

You don’t want to put roses where they don’t want to grow. As in real estate, it’s location, location, location. Planting in good, sandy, loamy soil that drains well (but not too well), in a sunny location with good air circulation is going to give you an exceptional rose garden.

Julie Hess

Senior Horticulturist, Missouri Botanical Garden

One of the best things you can do if your area has clay soil, besides add compost, is to add calcined clay-like Turface MVP. As counterintuitive as it sounds, it’ll even out moisture retention, improve drainage and reduce compaction.

–M. K.

Reprinted by permission of The Wall Street Journal, Copyright 2021 Dow Jones & Company. Inc. All Rights Reserved Worldwide. Original date of publication: April 16, 2021.


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The Knight Frank Luxury Investment Index reveals investments of passion are paying strong dividends, in some areas at least

By Bronwyn Allen
Tue, Apr 9, 2024 4 min

Art was the investment of passion that gained the most in value in 2023, according to Knight Frank’s Luxury Investment Index (KFLII). This is the second consecutive year that art has risen the most among the 10 popular investments tracked by the index, up 11 percent in 2023 and 29 percent in 2022. Art was followed by 8 percent growth in jewellery, 5 percent growth in watches, 4 percent growth in coins and 2 percent growth in coloured diamonds last year.

The weakest performers were rare whisky bottles, which lost nine percent of their value, classic cars down six percent and designer handbags down four percent. Luxury collectables are typically held by ultra-high-net-worth individuals (UHNWIs) who have a net worth of US$30 million or more. Knight Frank research shows 20 percent of UHNWI investment asset portfolios are allocated to collectables.

In 2023, the KFLII fell for only the second time, with prices down 1 percent on average.

Despite record-breaking individual sales in 2023, a surge in financial market returns contributed to a shift in allocations impacting on luxury asset value,” the report said. “… our assessment reveals a need for an ever more discerning approach from investors, with significant volatility by sub-market.

Sebastian Duthy of AMR said the 2023 art auction year began with notable sales including a record price for a Bronzino piece. But confidence waned as the year went on.

“It was telling that in May, Sotheby’s inserted one of its top Old Master lots – a Rubens’ portrait – into a 20th Century Modern evening sale. But by then, it was clear that the confidence among sellers, set by the previous year’s record-busting figures, was ebbing away. In the same month, modern and contemporary works from the collection of the late financier Gerald Fineberg sold well below pre-auction estimates.”

The value of ultra contemporary or red-chip’ art contracted the most in 2023.

“Works by a growing group of artists born after 1980 have been heavily promoted by mega galleries and auction houses in recent years. With freshly painted works in excess of £100,000 almost doubling in 2022, it was little surprise that this sector was one of the biggest casualties last year. There is a risk there are now simply too many fresh paint artists with none really standing out.”

In the jewellery market, Mr Duthy noted that demand was strongest for coloured gemstones of exceptional quality, iconic signed period jewels, single-owner collections, and items with historic provenance in 2023. In the watches market, Mr Duthy said collectors chased the most iconic and rare timepieces.

A Rolex John Player Special broke the model record when it sold for £2 million at Sotheby’s in May, double the price for a similar example sold at Phillips in 2021,” he said.

Although whisky was the worst-performing collectable in 2023, it has delivered the highest return on investment among the 10 items tracked by the index over the past decade, up 280 percent. Andy Simpson of Simpson Reserved, said 2023 was a challenging year but the best of the best bottles gained 20 percent in value. In my opinion some bottles that lost significant value in 2023 will return through the next two years as they are simply so scarce and, right now at least, so undervalued, Mr Simpson said.

Whisky was the worst performing collectable in 2023 but it had highest return on investment over a 10-year period. Image: Shutterstock

Classic car expert Dietrich Hatlapa said the 6 percent fall in collectable vehicle values in 2023 followed a 22 percent surge in 2022. The strong performance of other investment classes such as equities may have dampened collectors’ appetites it’s a very small market so it only takes a minor change in portfolio allocations to have an effect, and there has also probably been a degree of profit taking. However, we have seen some marques like BMW (up 9 percent in value) and Lamborghini (up 18 percent), which appeal to a younger breed of collector, buck the trend in 2023.”

Mr Duthy said a dip in the share price of the top luxury handbag brands last Autumn appeared to spook investors. Last autumn it was possible to pick up an Hermès white Niloticus Himalaya Birkin in good condition for under £50,000. The recent slide reflects a general correction at the upper end that’s been underway for some time rather than changing attitudes to the harvesting of exotic skins.

According to Knight Frank’s Attitudes Survey, the top five investments of passion among Australian UHNWIs are classic cars, art and wine. Fine wine values gained just 1 percent in 2023 as the market continued its correction, said Nick Martin of Wine Owners. “It’s been a hell of a long run, so I’m not that surprised. Some wines from very small producers that had enjoyed the most exuberant growth have seen the biggest drops. It had got a bit silly, £50 bottles had shot up to £200 or £300.”

Favourite investments of passion: Australia vs Global

1. Classic cars (61 percent of Australian UHNWIs vs 38 percent of global UHNWIs)
2. Art (58 percent vs 48 percent)
3. Wine (48 percent vs 35 percent)
4. Watches (42 percent vs 42 percent)
5. Jewellery (18 percent vs 28 percent)

Best returns among investments of passion (10 years)

1. Whisky 280 percent
2. Wine 146 percent
3. Watches 138 percent
4. Art 105 percent
5. Cars 82 percent


This stylish family home combines a classic palette and finishes with a flexible floorplan

Consumers are going to gravitate toward applications powered by the buzzy new technology, analyst Michael Wolf predicts

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