To stop earwigs in the garden, dry out hiding spots, trap at night, and protect tender plants with barriers or targeted baits.
Earwigs can shred young leaves and flowers overnight, yet the same insects also eat aphids and other soft pests. Smart control keeps the nibbling in check while keeping the helpful side. Here’s a clear plan that works for beds, borders, pots, and plots without turning your yard into a science lab.
Why Earwigs Show Up And What They Want
These nocturnal insects love cool, damp cover by day and easy snacks by night. Mulch piled against stems, dense groundcovers, stacked pots, and boards on soil make perfect shelters. After dark they wander to soft growth, seedlings, and petals. They also feed on decaying plant matter and small insects, which is why blanket spraying often backfires.
| What You See | What It Means | Best Quick Action |
|---|---|---|
| Ragged holes in petals or new leaves by morning | Night feeding near shelter | Move mulch back; set traps at dusk |
| Earwigs under damp newspaper or pots | Daytime harborage nearby | Lift, shake into soapy water, let area dry |
| Damage on seedlings only | Tender growth preferred | Use collars or mesh covers for a week or two |
| Few pests like aphids after earwigs present | Predation benefit | Target hotspots, not whole beds |
Stopping Earwigs In Your Garden: Fast, Safe Methods
Use a layered approach. Start with dry, clean habitat, then trap nightly. Guard the few plants that get hit the most. If numbers stay high, add a bait that earwigs carry to hiding places. Aim effort where damage shows, not everywhere.
Dry Out The Daytime Hideouts
Pull mulch 5–8 cm back from stems. Thin groundcovers. Store empty pots off soil. Raise boards and stones on edge so air flows. Fix leaky drips. Water in the morning so surfaces dry before nightfall. These steps make beds less inviting while keeping soil health on track.
Set Night Traps That Work
Place low, shady traps an hour before dusk and empty them early. Good options include three reliable styles that are easy to make and rinse for reuse.
Rolled Newspaper Tubes
Roll newsprint or corrugated cardboard into short tubes and tuck them near mulched edges. Earwigs crawl in for shelter; shake them into soapy water at sunrise.
Oil And Soy Sauce Saucers
Sink a shallow tuna tin at soil level and fill with vegetable oil plus a splash of soy. The scent draws earwigs, and the slick surface holds them.
Straw-Filled Flower Pots
Pack a little straw in a clay pot, set it upside down on a stick so there’s a small gap, and check each morning.
Rotate trap spots along beds where chewing keeps showing up. A week of steady trapping often breaks the cycle.
Shield Seedlings And Soft Growth
Seedlings, dahlias, zinnias, basil, and many greens are prime targets. Give them a short window of protection until stems toughen:
- Plant collars from cut paper cups or bottomless yogurt tubs pressed 2–3 cm into soil.
- Fine mesh covers or cloches overnight; remove in the morning for sun and airflow.
- Copper tape around pots and raised beds can deter climbing in damp weather.
Use Baits Correctly When Needed
If traps and habitat steps aren’t enough, a garden bait with iron phosphate plus spinosad can help in stubborn spots. Scatter lightly where earwigs hide and along bed edges, not across whole lawns. Keep pellets out of reach of pets and wildlife, and follow the label. Reapply after heavy rain.
Keep Natural Help On Your Side
Ground beetles, rove beetles, toads, and birds all pick off earwigs. Leave a few undisturbed nooks—like a stone pile or a small brushy corner—away from tender beds. Avoid broad insecticides that would knock back these allies and invite more soft-bodied pests later.
What To Do For Pots And Raised Beds
Earwigs love the cool rim of containers. Wrap a band of corrugated cardboard around the pot rim at dusk and peel it off in the morning. For wooden beds, a strip of copper tape near the top edge helps. Don’t overwater; let the top few centimeters dry between sessions.
How To Stop Earwigs In The Garden The Right Way
This section lays out a simple weekly schedule you can repeat during peak season.
Week 1: Survey And Set Baselines
Walk at dusk with a flashlight. Note hotspots: the beds, pots, or rows with the worst chewing. Lift nearby cover to find where they rest by day. Start a log so you can see progress.
Week 1: Habitat Reset
Pull back mulch, prune dense mats, tidy stacks, and fix leaks. Water early only. Add plant collars for the most tender plantings right away. Place five to ten traps near hotspots.
Week 2: Trap, Empty, Repeat
Empty traps each morning for seven days. Move them a meter or two every other day to follow activity. Keep collars and covers on seedlings at night. Most gardens see feeding ease up by the end of this week.
Week 3: Spot Bait If Needed
If chewing still runs high in a few beds, apply labeled bait to those beds only. Keep trapping two or three nights that week. Remove covers as plants toughen.
Week 4 And Beyond: Light Maintenance
Once counts drop, keep one or two traps in the worst zones for a few nights after rain. Maintain dry, airy borders around stems all season.
| Method | Best Timing | Notes |
|---|---|---|
| Rolled newspaper tubes | Dusk placement; morning empty | Cheap; great near mulched beds |
| Oil-and-soy saucers | Nights with light warmth | Refresh fluid every 2–3 nights |
| Iron phosphate + spinosad bait | After habitat steps fail | Spot treat; follow label; keep from pets |
Plant-Specific Tips Without Guesswork
Dahlias: Stake and collar stems after planting. A ring of sharp sand can help around the base in damp spells.
Strawberries: Lift fruit with clean straw and pick ripe berries daily so leftovers don’t draw feeders.
Greens and herbs: Sow a little thicker, then thin once plants harden. Use mesh for the first week.
Seed trays: Raise trays on a shelf, not on bare ground, and set a small oil trap underneath.
Common Myths That Waste Time
“Spray Everything”
Blanket sprays often remove beetles and other predators first, which can flare aphids and mites. You end up doing more work while earwigs slip back from nearby cover.
“All Earwigs Are Bad”
In mixed plantings, a small background level can help by eating decaying matter and soft pests. Zero tolerance is rarely needed. Aim for low numbers near vulnerable plants.
“Only Big Mulch Causes Issues”
Even a narrow band of wet leaves against stems can act like a hotel by day. Keep any cover pulled back a hand’s width.
Safety, Pets, And Kids
Traps are low risk when used as described. If you use bait, choose products meant for gardens and follow the label to the letter. Store leftovers in a sealed tub up high. Sweep up pellets that land on hard paths.
Skip baits beside ponds or veggie wash stations, and never scatter on patio tables where crumbs attract pets. Chickens and ducks will gobble pellets, so fence them out on treatment days. After use, sweep strays, seal the bag, and log the date so you don’t double-apply. Store gloves with the bag.
Quick Reference: Seven Moves That Stop Earwig Damage
- Water in the morning, not at dusk.
- Pull mulch 5–8 cm back from stems.
- Set newspaper or pot traps at dusk; empty at sunrise.
- Collar or cover seedlings for 7–14 days.
- Use copper tape on pots and raised beds.
- Spot bait stubborn hotspots with labeled products.
- Keep a simple log to track where chewing happens.
Seasonal Game Plan For Earwig Control
Early Spring
As growth starts, clear last year’s soggy debris and lift any boards lying flat on soil. Refresh paths with a thin layer of dry mulch or gravel so beds don’t hold puddles by the edges. Place traps near fall crops, since stems shelter pests.
Late Spring To Early Summer
This is the peak for tender transplants and direct-sown rows. Use collars on new plantings for the first two weeks. Water at sunrise. Keep trap rounds steady for seven nights after big irrigation set. If you grow dahlias or zinnias, give each clump a ring of sharp sand or grit as a short-term barrier.
Monsoon, Rainy Spells, Or Heavy Irrigation
Moist nights can bring fresh waves. Pull mulch back again, refresh oil dishes, and thin any spot that stays soggy. Add mesh covers to baby greens for a few nights. Check under edging stones and drip lines the next morning; that’s where you’ll find most of the catch.
Late Summer To Autumn
As plants harden, you can relax collars and covers. Keep traps handy for the odd spike after storms. Harvest on time so soft fruit doesn’t sit on soil. Before frost, tidy beds, stack pots off the ground, and store straw bales on pallets, not directly on soil.
Keep Earwigs Under Control All Season
A calm, steady plan beats panic spraying. Dry the daytime shelters, trap at night, protect the softest targets, and reserve bait for the few places that truly need it. With that rhythm, your beds stay tidy, blooms stay intact, and the helpful side of the garden food web keeps working for you.
For deeper guidance on identification, traps, spot treatments, and practical garden-safe bait use tips too, see the RHS advice on earwigs.