The short version
Around Medford, queens start nests in May, and colonies peak in late summer. Small, low paper wasp nests can be handled at dusk. Leave wall, ground and high nests to a pro.
- Treat nests at dusk, when wasps are home.
- Never seal a hole wasps are using.
- Ground and wall nests are best left to a pro.
- Knock down small nests early in spring.
- Call 911 for breathing trouble after a sting.
Homeowners and renters in Medford with a nest near a door, deck or play area.
What to look for
Late-summer colonies are big and quick to sting. Near a door or deck, stings will happen. Wasps defend the area around their nest.
- 1Wasps clustered at a hummingbird feeder or ripe grapes.
- 2Large wasps circling porch lights after dark.
- 3Chewed, scarred wood on fences, decks or cedar siding.
- 4Yellowjackets crowding trash cans, soda cans and pet food.
- 5Wasps appearing indoors near light fixtures or windows.
- 6Dead wasps collecting on interior windowsills in late summer.
Why it’s worth acting soon
- Nests grow all summer.
- Ground nests get disturbed by mowing.
- Wall nests can chew through into rooms.
- Stings are dangerous for anyone allergic.
Treatment options and typical costs
Inspection and Nest Identification
$75–$200
Expect a pro to check eaves, vents, sheds and the ground. Multiple nests are common late in the season.
- Time
- 45–75 minutes
- Best for
- Every job; species and nest location decide the method
Ground and Wall-Void Nest Treatment
$150–$500
Foam and sprays rarely reach the back of a deep void. Pros use dust for hidden nests and sprays for open combs.
- Time
- 30–60 minutes plus a return visit
- Best for
- Yellowjackets in lawns, retaining walls, soffits and wall voids
Aerial Nest Treatment and Removal
$100–$400
Bald-faced hornet nests, the grey football-shaped ones, defend aggressively and are best left to a Medford professional with a bee suit and a long-reach applicator. Small paper wasp combs are a simpler job.
- Time
- 30–90 minutes
- Best for
- Exposed paper wasp, hornet and bald-faced hornet nests
Preventive Spring Treatment and Follow-Up
$150–$400
Follow-up matters after any treatment around a property. Checking again two weeks later catches anything the first visit missed.
- Time
- 45–90 minutes
- Best for
- Repeat nests, or someone allergic to stings
Prices are typical published ranges. Ask what’s included before you compare quotes.
Once a nest is dead, screening and sealing gaps around pipes and vents keeps next year's queen from using the same opening.Which wasps live around Medford.
They rarely sting. Mud daubers build tube-shaped mud nests. Bald-faced hornets build big gray nests in trees and eaves. They cause most stings. Western yellowjackets nest in the ground and in wall voids. They build open, umbrella-shaped combs under eaves and railings. Paper wasps are the most common around Medford.
Local wasps conditions in Medford.
A provider who works Medford and Oregon every day can point out the specific conditions that matter most here, and getting the scope, price, and follow-up terms in writing makes it easier to compare options. Knowing Medford's seasonal timing lets you schedule treatment before the busy stretch rather than after it, which usually means faster service and a more accurate quote. An inspection in Medford usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Around Medford, the area is mostly suburban, so wasps pressure can differ from one block to the next depending on how tight the entry points are and how much food, water, or shelter is close by. Medford sits in a mediterranean climate, and that sets the pace for wasp activity here: mid-summer through fall (July-October).
Paper wasps like quiet, sheltered corners. Check garage rafters, door tracks and high shelves in spring for small starter combs.When they’re most active.
Nests die back with the first hard freeze, around November. Early spring is the easiest time to remove small starts.
Where they nest around houses here.
Homes from Medford out to Ashland and Grants Pass share the same favorite nest spots. A ground nest looks like wasps streaming from one hole. Watch for traffic in and out of gaps. Check eaves, porch ceilings and the crawl vents. Many houses around Medford have crawl spaces, and vents and access doors invite nests.
A year of wasps in Medford.
- Spring: queens start new nests around May. Knock down small starts. - Summer: highs near 92°F in Medford help colonies grow fast. - Late summer: peak season. Workers hunt sweets near people. - Winter: lows near 32°F in Medford. Nests die; only queens survive.
Wasp, hornet or bee?
- Paper wasp: slim, long legs, open comb. - Yellowjacket: bright yellow and black, nests in the ground. - Hornet: larger, with a big closed paper nest. - Mud dauber: thin waist, mud tube nests. Rarely stings. - Honey bee: fuzzy and golden. about relocation.
If you get stung.
Move away from the nest first. Wash the sting and use a cold pack. An antihistamine can ease itching and swelling. 911 for trouble breathing or a swollen face or throat. If someone carries an epinephrine pen, use it.
Keeping wasps away from the patio.
- Food: cover plates and drinks outdoors. - Trash: keep lids tight and bins away from doors. - Fruit: pick up fallen fruit. - Spring checks: knock down small nests early. - Gaps: seal gaps after a nest is gone.
Ground nests: what to do.
Mark the hole with a flag. Keep kids and pets away. Don't mow over it. Don't pour gasoline or water in. Pros treat ground nests at night, when the colony is home.
A nest, or just visitors?
Wasps on flowers or trash cans may come from far away. A nest shows steady traffic to one spot. Watch at dusk, when they fly home. Follow the line back to an eave, vent, shrub or hole.
Treating a small nest yourself, safely.
- Only if it’s small, low and out in the open. - Never if anyone in the house is allergic. - Wait until dusk, when wasps are home and slow. - Wear long sleeves, pants and gloves. - Use a jet wasp spray from several feet away. - Never spray from a ladder. - Leave it overnight, then bag the nest.
Wasps and pets.
Dogs often snap at wasps and get stung on the face. Most stings just swell a little. your vet if the throat swells or breathing changes. Keep pet food and water bowls indoors in late summer.
Kids and wasps.
Teach kids to walk away calmly. Swatting makes a sting more likely. Check play sets, slides and playhouses for nests each spring. Use cups with lids for sweet drinks outside.
After the nest is gone.
Wasps don't reuse old nests. Seal the gap a wall nest used once it's quiet. Check nearby eaves for new starts. Knock down small new nests early next spring.
Wasps at picnics and barbecues.
- Drinks: use cups with lids or straws. - Food: keep it covered until you eat. - Trash: bag scraps and close the bin. - Calm: don’t swat; slowly move away. - Kids: teach them to walk away calmly.
Ground nests in the lawn.
Yellowjackets often nest in old rodent holes. Watch for wasps flying in and out of the grass. Mark it, and keep mowers and kids away until it's treated.
Questions to ask before you sign.
- What kind of wasp is it? - How will you treat a nest inside the wall? - Is removal of the dead nest included? - Is a return visit included?
What affects the price
- Colony size, which climbs sharply from June to September.
- Sealing gaps after the nest is dead.
- Exposed comb versus enclosed nest inside a wall or soffit.
- After-hours, weekend or emergency scheduling.
- Whether nest removal is included after treatment.
- Nest height, and whether it needs a lift.
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What's your biggest concern about wasps?
When to call for help
They'll find another way in. Don't seal a hole wasps are using. right away if anyone in the house is allergic. Call for nests in walls, attics, the ground, or anywhere high.
What you can do yourself
Knock it down the next day. Big, high or hidden nests are a job for a pro. A small, reachable paper wasp nest is a fair DIY job. Spray it at dusk with a wasp aerosol.
Wasps in Medford
In Medford's neighborhoods, eaves, decks, play sets and shrubs are favorite nest sites. Winter lows near 32°F in Medford end the season; only new queens survive, tucked into sheltered spots. Medford only gets about 18 inches of rain a year, so local wasps often gather at pools, fountains and dripping taps.
Local research
Wasps in Medford, OR: what the public record shows
Before you compare quotes, it helps to know which wasps actually live in Oregon, when they are busiest around Medford, and what the state figures look like. Everything below links to the agency or university page it came from.
Wasp species recorded in Oregon
- Western yellowjacket (Vespula pensylvanica) — UC IPM: 'the most commonly encountered species and is sometimes called the "meat bee"' in California and the Western states; ground and wall-void nester and aggressive scavenger…
- Bald-faced hornet (Dolichovespula maculata) — Penn State: 'found in most of the 48 contiguous states and D.C., throughout Canada and in Alaska'; actually an aerial yellowjacket that builds the football-shaped gray paper nes…
- European paper wasp (Polistes dominula) — Penn State: 'first reported in 1978 around Boston', now 'coast to coast ... although they are apparently less common in the Southeast and Great Plains'; nests in 'eaves of struc…
- Native paper wasps (Polistes spp. (e.g., P. fuscatus, P. apachus, P. exclamans)) — Open umbrella-shaped nests under eaves, porch ceilings and railings. UC IPM: paper wasp colonies 'vary between 15 to 200 individuals'; Penn State: queens 'establish nests in May…
When wasps are busiest around Medford
Western yellowjacket queens start nests each spring, colonies grow through summer and scavenge aggressively in fall before dying off; only fertilized queens overwinter (USU).
Bald-faced hornet range per Penn State covers most of the 48 contiguous states and D.C. Western yellowjacket is the dominant scavenging wasp of the Western states (UC IPM).
Rules that apply in Oregon
For context, nationally
- 788 — Deaths from hornet, wasp, and bee stings, 2011–2021 (US). CDC MMWR
- 72 deaths per year — Average annual sting deaths, 2011–2021 (US). CDC MMWR
Sources: CDC MMWR; Yellowjackets and Other Social Wasps (Pest Notes); Baldfaced Hornet; European Paper Wasp. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep wasps away
- Seal soffit seams and fascia gaps before spring.
- Fill old rodent burrows and mulch-bed holes in spring.
- Pick up fallen fruit under trees promptly.
- Trim shrubs so nests cannot hide near walkways.
- Cover drinks outdoors and use lidded cups for kids.
- Caulk around cable, gas and conduit entry points.
Jot down where nests turned up this year. Queens often pick the same eaves and gaps, so you'll know where to look first next spring.Did you know?
Some paper wasps can tell their nestmates apart by their faces
Mud daubers stock their nests with paralyzed spiders
Questions people ask
Do wasp traps work?
They catch some yellowjackets, but rarely fix a nest problem. Place them away from where people sit.
Wasp or bee: does it matter?
It matters because honey bees can often be relocated. Bees are fuzzy and rounder. Wasps are smooth and narrow-waisted.
What should I do if I get stung?
An antihistamine helps with itching. 911 for trouble breathing or a swelling throat.
What time of day should a wasp nest be treated?
At dusk or after dark, when they're home and calm.
Should I be worried about a nest in the ground?
Mowing over them sets them off. Ground nests are usually yellowjackets. Yes, if it's near a path or play area.
How often should you check your property for wasp nests?
Every week or two from spring through late summer. Around Medford, look under eaves, decks, sheds and play equipment, where small nests are easy to deal with.
What's the usual way to get rid of a nest?
Around Medford, a dust or spray into the nest opening at dusk, then removal once activity stops.
When is wasp season in Medford?
Around Medford, queens start nests in May, and colonies peak in late summer. Nests die back with the first hard freeze, around November.
Are hornets common in Medford?
Bald-faced hornets are, in trees and on eaves. Most stings come from yellowjackets, though.
Nearby cities
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Sources (9)
The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Wasp Exterminator · Updated September 11, 2026 · How we write these guides