Walk any new subdivision in spring and you’ll see the same trees, the same hedges, the same glossy groundcover creeping over the same bark mulch. It looks finished. It looks nice.
It was also chosen for one reason: it was the cheapest thing on the truck.
Landscapers work on margins. A plant that’s cheap at the wholesale yard, grows fast enough to look “done” on install day, and survives being ignored for a season is a plant that gets planted by the thousand — whether or not it belongs in your yard.
The bill comes later. Sometimes it’s a split tree on your roof. Sometimes it’s roots in your sewer line, a hedge that dies in a single row, or a groundcover you’ll be pulling out of the woods behind your house for the rest of your life.
Here are 26 plants that got planted because they were cheap — and what they actually cost.
1. Bradford (Callery) Pear
The USDA introduced it in the 1960s as the perfect street tree. By the 1990s it was everywhere — tidy, uniform, covered in white blooms every April, and dirt cheap.
Then it started coming apart.
The problem is built into the shape. Bradford pears grow their limbs at tight, narrow angles off a single point, and that crotch traps bark instead of forming solid wood. Around year 15, when the canopy gets heavy, the whole tree splits down the middle in the first real windstorm. Oklahoma State University Extension flatly calls it one of the worst trees you can plant.
A mature Bradford failing over your driveway or roof isn’t a pruning problem. It’s a crane, a crew, and an insurance claim.
The blooms don’t help its case either. Get close and they smell like rotting fish.
Then there’s the invasive part. Bradfords were sold as sterile, but different cultivars cross-pollinate and throw fertile seed. Birds spread it, and the offspring revert to a thorny wild Callery pear that chokes out fence lines, ditches, and abandoned lots.
It’s now bad enough that South Carolina, Ohio, and Pennsylvania have banned the sale of it outright. A tree that started as the cheap, easy choice is now something states pay to rip out.
- Splits apart around year 15 at weak branch unions
- Blooms smell like rotting fish
- Escapes into thorny wild thickets
- Banned for sale in a growing list of states
Skip it. If you inherited one, plan for the day it comes down — on your terms, not the storm’s.
2. Leyland Cypress
You want a privacy wall, and you want it now. The Leyland cypress is the answer every cheap install reaches for — three to five feet of growth a year, evergreen, and inexpensive when it’s a foot tall in a nursery pot.
So they get planted in a tight row. That’s the mistake.
Leylands packed shoulder to shoulder are a monoculture, and monocultures are how disease travels. Bagworms strip them. Spider mites brown them out. And two cankers — Seiridium and Botryosphaeria — move straight down the line like dominoes.
Once a canker takes hold in a 40-foot tree, there’s no spray, no injection, no save. The branch dies, then the tree, and you’re left with a brown gap in the middle of your green wall. Clemson’s Home & Garden Information Center now steers homeowners toward almost anything else.
Here’s the real cost. Taking out a single dead 40-foot Leyland runs hundreds of dollars. Take out six of them because the canker walked the row, replant, and wait another decade for privacy you already paid for once.
The “instant” hedge that gaps out by year 15 wasn’t a bargain. It was a loan.
3. Lombardy Poplar
Tall, skinny, columnar, and fast — the Lombardy poplar looks like a living fence post, which is exactly how it got sold as instant privacy in the mid-1900s.
It grows like a weed. That’s the whole pitch and the whole problem.
Lombardy poplars are short-lived and disease-prone. Canker disfigures the trunks, aphids and beetles pile on, and the graceful column you planted starts dropping dead branches and thinning out before it ever matures.
Most are ugly and declining within 15 years. You planted a screen and grew a liability.
4. Silver Maple
Postwar builders needed shade over bare tract-home lots, and they needed it before the buyers complained. The silver maple delivered — cheap, and one of the fastest shade trees in the trade.
Fast wood is weak wood. That’s the trade every time.
Silver maples grow multiple trunks with included bark, and that soft, brittle timber shatters in ice storms and summer squalls. Big limbs come down on cars, fences, and rooflines with almost no warning.
But the roots are where it really gets expensive. Silver maple runs a shallow, greedy, water-hunting root system that heaves sidewalks, cracks driveways, and lifts foundations. Family Handyman lists it among the trees you should never plant near a house.
Those roots also find your plumbing. A hairline crack or a loose joint in an old clay sewer line is an open invitation, and silver maple roots will fill the pipe until you’re staring at a backed-up basement and a bill with a comma in it.
Add the seedlings. Silver maple throws thousands of helicopter seeds, and they sprout in every gutter, bed, and crack you own.
Not near the house. Not near the drive. Honestly, not on a normal lot at all.
5. Weeping Willow
Romantic, graceful, and cheap to buy small — the weeping willow sells itself on the picture in your head. Nobody sells the plumbing bill.
Willows are thirsty, and their roots know it. They actively hunt water, and the wettest thing in your yard is usually your septic field or your sewer line.
The roots spread far wider than the canopy, sometimes two to three times the height of the tree, and they push straight toward any moisture they can smell. Septic tanks, drain fields, and buried pipes are all fair game.
Once willow roots are inside a septic system, you’re not pruning them out. You’re excavating and replacing — a five-figure afternoon.
It’s a mess above ground too. Willows drop twigs, leaves, and bark year-round, and they get far too big for the average lot.
Beautiful tree. Plant it 50 feet from anything you don’t want to dig up, or don’t plant it.
6. Siberian Elm
Bred into the plains during the Dust Bowl for shelterbelts, the Siberian elm is cheap, laughs at cold and drought, and hits mature size in about a decade. Still gets sold as a quick shade tree.
The speed is the con.
The wood is brittle and full of deadwood, so it drops branches in every storm. And the seeds — a Siberian elm buries your yard in papery samaras that germinate into a carpet of saplings.
Those saplings root hard and fast. Miss a season of pulling them and you’ve got an elm problem instead of an elm. Angi files it with the invasive trees worth actively removing.
7. Mimosa (Silk Tree)
Those pink powder-puff blooms do the selling. The mimosa is cheap, adaptable, and gorgeous for about three weeks in summer.
The other 49 weeks are the catch.
Mimosa is weak-wooded and short-lived, and it litters constantly — first spent flowers, then long seed pods that hang on all winter. The seeds are also toxic to dogs and livestock.
And it escapes. Introduced back in the 1700s, mimosa now runs wild along roadsides and woodland edges across the South, where UF/IFAS Gardening Solutions lists it as invasive. Pretty, cheap, and gone rogue.
8. Privet (Chinese & Japanese)
Need a fast green wall and nothing else? For a century, privet was the default answer. It was imported in the 1800s to do exactly one job: grow into a hedge quickly and cheaply.
It does. Then it keeps going.
Privet self-seeds with abandon. Birds eat the berries and scatter them, and the seedlings colonize into dense thickets that smother everything native underneath. It also hosts whiteflies and mealybugs that drift onto your other plants.
Cheap this weekend. Then a decade of yanking privet seedlings out of every bed and fence line you own.
9. Red Tip Photinia
For a stretch in the 1980s and ’90s, red tip photinia was the Southern privacy hedge. That flush of glowing red new growth was irresistible, and it was cheap by the flat.
Then the leaf spot arrived.
Entomosporium leaf spot loves exactly the conditions people planted photinia in — long, tight, crowded rows with no air movement. It defoliates the shrubs, then kills them, working down the hedge one plant at a time.
Extension offices have spent more than 20 years telling people to quit planting it, and Clemson’s HGIC still fields the calls. A hedge that dies in sequence is the definition of a false economy.
10. Burning Bush
You buy it for two weeks. That’s the honest math on burning bush — a fortnight of screaming crimson fall color, at a low price, and it’s forgettable the rest of the year.
The two weeks aren’t worth the rest of the story.
Burning bush is highly invasive in natural areas and already banned in several states, its seeds carried into the woods by birds. It harbors scale insects, too.
And researchers suspect it does something worse: its dense, low form may create the same humid, tick-friendly microclimate that makes Japanese barberry such a problem. Penn State Extension puts it on the avoid list. Plenty of native shrubs turn just as red without any of it.
11. Japanese Barberry
Landscapers love this one for three reasons: it’s cheap, it grows anywhere, and deer won’t touch it. Those are also the three reasons it’s a disaster.
Anything deer refuse and drought can’t kill will take over a woodland, and barberry does — introduced in 1875, now blanketing forest floors across the Northeast.
But the detail that should stop you cold is the ticks.
Barberry grows into a dense, thorny mound that traps humidity underneath it, and that damp, sheltered interior is exactly what blacklegged ticks — the ones that carry Lyme disease — need to thrive. Studies from University of Maryland Extension and others have found dramatically higher densities of infected ticks in barberry stands than in surrounding habitat.
Mice shelter in it. Ticks feed on the mice. The whole cycle concentrates right where you planted a cheap foundation shrub.
A hedge that farms Lyme disease against your house is not a bargain at any price.
12. Nandina (Heavenly Bamboo)
“Nearly indestructible” is the sales line, and it’s true. Nandina is cheap, evergreen, shrugs off neglect, and holds bright red berries all winter. That’s why it’s under half the windows in the South.
Those berries are the problem.
Nandina berries contain cyanide compounds, and they’ve killed entire flocks of cedar waxwings — birds that gorge on fruit in a single sitting and drop dead from it. The North Carolina Botanical Garden has documented exactly that.
The plant is also toxic to pets, and the USDA treats it as a noxious invasive that spreads by those same berries.
Pretty red fruit that poisons songbirds. Hard to think of a worse trade for curb appeal.
13. Russian Olive
Silvery leaves, tough as nails, cheap — Russian olive was handed out in the early 1900s as a windbreak and soil stabilizer, and it did the job too well.
It’s now a listed noxious weed in 17 western states.
Deep-rooted and impossible to fully kill, it resprouts from every cut stump, chokes out native riparian plants along streams, and actually changes how water moves through the land it invades. California Department of Fish and Wildlife lists it flat-out as “don’t plant me.”
In a lot of the West, planting one isn’t just a bad idea. It’s against the law.
14. Autumn Olive
The government literally gave this one away. Cheap, fast, and able to fix its own nitrogen, autumn olive was pushed for shelterbelts and wildlife plots starting in the mid-1900s.
It became one of the worst invaders in the eastern U.S.
A single mature shrub can drop up to 80 pounds of fruit, and birds scatter every seed. Here’s the irony Penn State Extension points out: those berries are nutritional junk food, high in sugar and low in the fat native birds actually need before migration.
So it spreads on the backs of the very birds it shortchanges. A cheap conservation plant that turned into a conservation problem.
15. English Ivy
Got a shady bank nothing will grow on, or an ugly wall you want to hide? English ivy is the cheapest fix in the trade, and it’s been the default since the 1700s.
It never stops.
Ivy escapes the bed and smothers the forest floor, and it climbs — up trees, up walls, up anything. On a tree it blocks light from the trunk and piles on weight the crown was never built to carry, which is how a healthy oak ends up toppling in a storm.
It also carries bacterial leaf scorch, a disease that spreads to native trees. Rural Sprout ranks it among the plants worth actively removing. Cheap green cover that quietly strangles the tree it’s climbing.
16. Wintercreeper (Euonymus fortunei)
English ivy’s lesser-known cousin, sold on the same promise: a tough, cheap evergreen groundcover that fills in fast. That last part is the trap.
Birds eat the berries and plant wintercreeper all over the county for free.
It climbs trees and buildings the way ivy does, blanketing whatever it reaches, and it’s brutally hard to eradicate once it’s established. The South Carolina Native Plant Society lists native groundcovers that do the same job without the fallout. Fills in fast — then never lets go.
17. Japanese Honeysuckle
The smell sells it. Sweet, heavy, unmistakable on a June evening — Japanese honeysuckle was planted for cheap fragrance and quick cover, and it became one of the most pervasive vines in the eastern U.S.
Fragrance is the bait. Strangling is the habit.
It blankets whatever it climbs and twists so tightly around young trunks and shrubs that it girdles them, cutting off the flow that keeps the host alive. AOL counts it among the common garden plants that are quietly invasive. That perfume is coming from a strangler.
18. Chinese Wisteria
Those cascading purple curtains in spring are unforgettable, and the vine is cheap. It’s also a killer with a slow grip.
Wisteria doesn’t just climb. It constricts.
Its woody stems wrap around a host tree and thicken year after year, biting through the bark and cutting off the tree’s circulation until it dies. It’s invasive across much of the eastern half of the country, as EcoWatch notes.
The bloom is genuinely spectacular. So is the damage it does on the way to producing it.
19. Liriope / Monkey Grass
The South’s favorite cheap border plant. Available everywhere, spreads fast, asks for nothing — monkey grass edges half the flowerbeds in the region.
The catch is which kind you got.
The clumping type stays put. The running species, Liriope spicata, travels by underground rhizomes straight into your lawn and beds, and pulling it out is a genuine chore. NC State’s Plant Toolbox flags it as invasive in Tennessee and Georgia.
It’s the “why is this suddenly in my flowerbed” plant. Because the cheap flat was the running kind.
20. Vinca / Periwinkle
What grows in dry shade under a tree where nothing else will? Vinca. It’s the cheap answer to that question — evergreen, pest-free, and it spreads on its own.
Too much on its own.
Periwinkle forms dense, single-species mats that smother spring wildflowers before they can push through. It escapes old homesteads and creeps into the woods, and it’s toxic to pets.
Several states now classify it as invasive. It solves your shade problem and starts a slower one that spreads well past your property line.
21. Running Bamboo
Marketed as an exotic, cheap, instant privacy screen, running bamboo is the plant most likely to end with a lawyer’s letter.
Understand the word “running.” That’s the warning label.
Running bamboo spreads by rhizomes that travel dozens of feet from where you planted it — under fences, under patios, and straight into your neighbor’s yard. It cracks hardscape, pushes up through lawns, and surfaces in flowerbeds you never touched.
Containing it requires a heavy-duty root barrier, buried deep and inspected every year, and almost nobody who buys the cheap privacy screen installs one. By the time the shoots come up next door, the rhizomes are already 20 feet out and dividing.
Removing an established running bamboo grove is a professional excavation. Crews dig out the rhizome mass, and stray pieces resprout for years afterward, so it’s rarely one visit.
Then comes the neighbor problem. Bamboo crossing a property line has produced real lawsuits and real damage awards, and in some towns you’re liable for what your bamboo does to the yard next door.
The cheap privacy screen that turns into a survey dispute, a hardscape repair, and a strained relationship with the people next door. Plant it in a sealed container above ground, or don’t plant it.
22. Butterfly Bush
It’s got the friendliest name in the nursery and a halo to match — “good for butterflies,” cheap, covered in bloom. Most of that halo is marketing.
Butterfly bush is invasive across many regions, throwing masses of seed that travel far and colonize disturbed ground.
And the butterfly claim only tells half the story. The flowers offer nectar to adults, but the plant is worthless to caterpillars — no native butterfly can lay eggs on it or feed its young from it. Penn State Extension puts it on the invasive-shrub list.
It’s a nectar bar, not a nursery. It feeds the adults a snack while supporting none of the next generation — which is the opposite of what a butterfly plant should do.
23. Purple Loosestrife
Vivid purple spikes, cheap, and marketed for the boggy corner of the yard nothing else liked. That last part is exactly the danger.
Loosestrife loves wet ground, and it doesn’t stay in the corner.
A single plant produces millions of seeds, and it has flat-out devastated wetlands across the country, crowding out the cattails and sedges that waterfowl and fish depend on. Many states ban its sale.
Plant it near any water and you’re seeding a marsh you don’t own.
24. Black Locust
Fragrant white blooms in late spring and fast, cheap growth pulled gardeners in. Black locust looks like a generous shade tree.
It’s a colonizer.
Black locust suckers aggressively from the roots, sending up new trunks 50 feet or more from the parent, so one tree becomes a grove you didn’t plant. It’s brittle and messy on top of it. Nice flowers, wrong tree for a small yard.
25. Kudzu
No landscaper installs kudzu today — but somebody’s grandfather might have, because the government gave it away in the 1930s to stop erosion.
It became the vine that ate the South.
Kudzu can grow a foot a day in summer, burying trees, barns, and telephone poles under a green blanket that never quits. It’s the cautionary tale behind every “fast and cheap” plant on this list — proof of where the logic ends when nobody thinks past install day.
26. Japanese Knotweed
Introduced as a Victorian ornamental, knotweed is rarely planted on purpose anymore. It’s usually inherited — and it’s the worst inheritance on this list.
It grows inches a day and forces its shoots up through asphalt, concrete, and foundation cracks.
In parts of the world it can affect whether a house is even mortgageable, because the roots run so deep and resprout from the tiniest fragment. Herbicide and repeat treatment over multiple seasons is often the only real answer. Once it’s in the ground, it’s less a plant than a structural problem.
The Real Cost of the Cheap Plant
None of these plants are evil. They’re just cheap, fast, and easy — the exact traits that get something planted by the truckload and regretted by the homeowner.
The tree that grows fast is the tree that splits. The hedge that fills in overnight is the hedge that dies in a row. The groundcover that never needs tending is the one you’ll be tending forever, out in the woods, on your knees.
Before you sign a landscaping bid, look up what’s on the plant list — your state extension office publishes exactly which of these are banned, invasive, or just a bad idea where you live.
Cheap on install day. Expensive for the next 20 years.