Mint leaves when you remove the underground runners, then pull new shoots weekly until the last root bits stop sprouting.
Mint smells great and tastes even better. Then it starts popping up where you never planted it. A tidy herb patch turns into a green mat that crowds out the plants you want to keep.
This article gives you clear removal options, a step-by-step dig-out, and a follow-up routine that keeps mint from returning.
Why Mint Keeps Coming Back
Most garden mints (Mentha species and hybrids) spread by underground runners called rhizomes. Each broken piece can sprout again, so a quick pull often turns into repeat weeding.
Mint also rebounds fast above ground. If you let it leaf out after a half-done dig, it refuels those rhizomes and sends out new runners.
The core plan stays the same: remove as much runner material as you can, then starve what’s left until it quits.
Before You Start, Set Your Finish Line
Some gardeners want mint gone from flower beds but still want a pot for tea. Others want it removed from each bed edge and path crack.
Pick the goal now. It sets how hard you push, and it stops wasted effort.
Quick Check: Is It Mint?
True mints often have square stems, opposite leaves, and a strong scent when you rub the foliage. If you’re unsure, wait for flowers and compare the plant to a reliable plant ID source.
Getting Mint Out Of Your Garden With Less Digging
If mint is tangled among perennials you want to keep, deep digging can damage roots you care about. Try a gentler approach that still drains the plant’s stored energy.
Repeated Cut-Backs
Cut mint to ground level as soon as it reaches 4–6 inches tall. Bag the stems so they don’t reroot in damp soil. Repeat each 7–10 days during active growth.
New shoots get thinner over time. Pair this with mulch, since mulch blocks light and makes sprouts easier to spot.
Targeted Runner Pulling
Use a garden fork and lift soil gently, starting 6–12 inches away from the base of a plant you want to keep. Follow mint runners with your fingers and pull them out like cords.
Go slow. Mint rhizomes snap easily. Longer pieces come out clean when you tease them free instead of yanking.
Smothering A Whole Patch
When mint has taken a bed you’re ready to reset, smothering can save your back. Cut everything down, water the area, then lay overlapping cardboard. Add 3–5 inches of mulch on top.
Leave the cover in place for a full growing season. Lift an edge now and then and pull any pale shoots that try to escape.
If you plan to keep mint for cooking, containment beats regret. The RHS mint growing guidance recommends pots for many vigorous mints, which helps stop runner spread.
How To Get Mint Out Of Your Garden: Step-By-Step Dig-Out
If you want mint gone from a bed in the shortest time, digging is the most direct route. Expect one solid work session, then a few weeks of follow-up weeding.
Step 1: Work When Soil Is Damp
Dig after a rain or deep watering. Damp soil releases runners more easily, and you’ll pull longer pieces instead of snapping them into little starters.
Step 2: Cut The Top Growth
Cut stems down to 1–2 inches. This clears your view of where the runners run and keeps mint from flopping into your workspace.
Step 3: Lift In Sections
Start at the edge of the patch and lift a shovel-width slice. Shake soil gently so runners show up. Pull the white, ropey rhizomes and place them in a bucket or on a tarp.
Step 4: Sift For Runner Fragments
This is the difference-maker. Use a soil sieve, hardware cloth, or an old crate with holes. Break clods and pick out small runner pieces, with extra attention to the top 6–8 inches of soil.
Step 5: Refill, Then Mulch
Level the soil and add a 2–3 inch mulch layer. Mulch won’t stop each sprout, but it slows regrowth and keeps shoots easy to see.
Step 6: Patrol Twice A Week For Six Weeks
Pull new shoots as soon as you spot them. Early pulls often bring a runner attached, which saves time later.
Pick A Removal Method That Matches Your Patch
Use the table below to match the approach to your patch size, plant mix, and patience level.
| Method | Best Fit | Watch Outs |
|---|---|---|
| Full dig-out + soil sifting | Dense patches you want gone soon | Hard work; follow-up pulls still needed |
| Edge trench + runner pull | Mint creeping into a bed from one side | Check after rain and warm spells |
| Repeated cut-backs | Scattered shoots among valued plants | Takes weeks; stay on schedule |
| Smothering with cardboard + mulch | Beds you can pause for a season | Edges must overlap to block light |
| Solarization (clear plastic in hot months) | Sunny beds you can leave covered | Needs tight sealing; watch edges |
| Raised bed reset (clean soil and bed) | Mint inside a raised bed | Labor heavy; soil screening helps |
| Spot treatment herbicide (label-directed) | Mint in cracks, gravel, or hard-to-dig zones | Drift risk; keep it off desired plants |
| Lawn edging + frequent mowing | Mint creeping into turf | Runners hide under edges; inspect often |
Tips That Make Any Method Work Better
Mint removal gets easier when you stack a few small tactics. None of these are fancy, and each one trims the number of repeat sessions.
Mark The Patch Border
Lay a garden hose around the outer edge of the mint. Work from the outside in. This keeps you from chasing random shoots and missing the runner network that feeds them.
Use A “Spoil Bucket” For Runner Bits
Keep one bucket only for rhizomes and stem scraps. Don’t set them on the soil while you pause. A damp runner can reroot fast if it touches bare ground.
Try Solarization Only When Heat Is On Your Side
In hot, sunny weather, you can water the bed, stretch clear plastic tight over the area, and seal the edges with soil or boards. Check the edges weekly so no shoots slip out. Remove the plastic once the mint stops sending up growth.
Contain Mint If You Still Want To Grow It
A pot on a patio is the simplest option. A sunken container works when you want mint near a kitchen bed without letting it roam.
Utah State University Extension notes that a buried container can help contain spreading rhizomes when the rim stays above the soil surface. Their mint in the garden guidance includes sizing tips.
Illinois Extension also warns that mints can still slip away from containers, so you’ll want routine checks. Their mint care notes spell out that reality.
Container Setup That Holds The Line
Use a pot with firm sides and drainage holes. If you sink a pot into soil, keep the lip a few inches above grade so runners can’t crawl over the top.
Place a saucer, paver, or thick plastic tray under a pot that sits on soil. That blocks roots from sneaking through drainage holes.
What To Do With Mint You Pull
Mint stems can reroot if they stay damp. Treat pulled runners like weeds that spread by pieces.
- Bag rhizomes and send them with yard waste if your local program accepts them.
- Dry them fully on a tarp in the sun, then discard them.
- Skip tossing fresh runners into open compost piles unless your compost heats thoroughly.
If you’re pulling clean leafy stems with no roots attached, rinse them and use them in the kitchen the same day.
How To Stop Mint From Sneaking Back In
Regrowth usually comes from runner fragments left behind or runners creeping in from a nearby patch. A short routine keeps you ahead of it.
Do A Weekly Sweep
Walk the cleared area once a week during active growth. Pull any new shoots while they’re small.
Block Reinvasion From Nearby Mint
If mint remains close by, install edging or move that mint into a container. The North Carolina Extension Gardener Plant Toolbox describes garden mint as best grown in containers because it spreads rampantly. Their Mentha spicata profile is a solid quick read.
Containment Options At A Glance
If you want mint on hand without the takeover, choose one of these setups and stick with the upkeep rhythm.
| Containment Setup | Where It Fits | Upkeep Rhythm |
|---|---|---|
| Patio pot | Balcony, deck, doorstep herb corner | Trim weekly; divide each few years |
| Pot on a paver | On soil near a bed | Check drainage holes monthly |
| Sunken pot with rim above soil | In-ground herb area with tidy borders | Inspect rim line after rain |
| Bottomless bucket barrier | Small mint patch inside a bed | Watch for runners climbing over the rim |
| Raised bed “mint corner” with divider | Large raised beds | Cut runners along divider a few times per season |
| Hanging basket | Small spaces, easy harvest | Water often; trim to keep it bushy |
One-Page Mint Removal Checklist
Save this list and run it once. After that, the follow-up stays short.
- Define the area: bed, lawn edge, path cracks, raised bed.
- Choose the method: dig-out, cut-back routine, smothering, or a mix.
- Work on damp soil so runners pull longer.
- Bag rhizomes and don’t drop them on bare ground.
- Mulch cleared soil so new shoots show up fast.
- Patrol twice a week for six weeks, then weekly for the rest of the season.
- Move any “keeper” mint into a container and check it on schedule.
When To Call The Job Done
If you go six weeks with no new shoots during active growth, you’re close. Stay alert after warm rain, since that’s when leftovers like to pop up.
Once a season passes with no mint returning, you can relax into normal garden weeding. If a stray stem appears the next spring, pull it early and you’ll stay ahead of it.
References & Sources
- RHS.“How to grow Mint.”Notes that many mints spread vigorously and are often best grown in pots for containment.
- Utah State University Extension.“How to Grow Mint in Your Garden.”Explains buried-container containment for spreading rhizomes.
- University of Illinois Extension.“Mint.”Describes mint growth habits and why ongoing checks matter even with container growing.
- NC State Extension Gardener Plant Toolbox.“Mentha spicata (Garden Mint).”Summarizes garden mint’s vigorous spread and points readers toward container growing.