Monarch Butterflies in Vermont: identification guide and best places to start
Yes, monarch butterflies pass through Vermont every late summer and early fall. The best odds are along Lake Champlain shorelines and in open fields with milkweed. Look for the distinctive orange-and-black pattern and slow, floating flight from late July through September.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
- 1
- species recorded
- 10,688
- GBIF records
- August, September, July
- peak months
Yes, monarch butterflies are in Vermont. Next you'll want:
Real sighting data, source iNaturalist
7,188 verified observations on iNaturalist of monarch butterfly have been recorded in Vermont, most often in August, September, July.
When monarch butterfly are recorded in Vermont
Yes, monarch butterflies pass through Vermont every late summer and early fall. The best odds are along Lake Champlain shorelines and in open fields with milkweed. Look for the distinctive orange-and-black pattern and slow, floating flight from late July through September.
1. Where are you most likely to see monarch butterflies in Vermont?
Your best bets are sunny fields, meadows, and roadsides with abundant milkweed – the only plant monarch caterpillars eat. Prime spots include the Champlain Valley, around Burlington’s Intervale, and the open grasslands of the Taconic Mountains. I’ve had consistent luck at the Dead Creek Wildlife Management Area in Addison County during early September. State parks like Grand Isle State Park and the shoreline at Sand Bar State Park also concentrate migrating monarchs because of the lake effect.
2. What season and weather patterns help you spot monarchs?
Monarchs appear in Vermont from late July through September, with peak migration usually hitting in the first two weeks of September. They move on warm south winds after a cold front passes – those sunny, mild days with light breezes are perfect. If temperatures drop below 55°F, monarchs become sluggish. I plan my outings for late mornings after the dew dries, when butterflies warm up and become active. Overcast or rainy days are poor bets.
3. How do you identify a monarch butterfly and separate it from lookalikes?
Monarchs are large (3.5-4 inch wingspan) with bright orange wings laced by thick black veins and a black border dotted with white spots. The viceroy butterfly is the most common mimic: it’s slightly smaller and has a horizontal black line across the hindwing that monarchs lack. Fritillaries are smaller and more golden with silver spots on the underside. I always check for the white dots on the black wing margins – that’s a dead giveaway for a true monarch.
See ourstate animal guidefor the next step.
4. Do monarchs breed in Vermont or just pass through?
Both. Vermont is part of the monarch’s northern breeding range. Female monarchs lay eggs on milkweed from June into August. The caterpillars grow into summer adults that either stay to breed or head south. The generation born in late August and September is the one that migrates all the way to Mexico. If you find milkweed with chewed leaves, look underneath for bright yellow eggs or striped caterpillars.
5. What time of day gives the best chance to see monarchs?
Mid-morning to early afternoon (10 a.m. to 2 p.m.) is prime. Monarchs are ectothermic – they need sunshine to warm up their flight muscles. On cool mornings they often sit on flowers with wings open, basking. By late afternoon they may roost in trees to conserve energy, especially during migration. I once watched hundreds roosting in pines at Button Bay State Park as the sun set – a sight I won’t forget.
6. How can you attract monarch butterflies to your Vermont yard?
Plant common milkweed (Asclepias syriaca) and swamp milkweed in sunny patches. Monarchs also nectar on goldenrod, asters, coneflowers, and Joe-Pye weed. Avoid pesticides and leave some areas unmowed. I’ve had success with a small plot near a stone wall in my garden – the monarchs found it within a year. Fall-blooming nectar is critical for migrants, so keep asters going into September. Check ourmonarch butterflypage for more tips.
7. What conservation concerns affect monarchs in Vermont?
Monarch populations have declined due to habitat loss – especially milkweed – and extreme weather. Vermont’s roadside mowing can remove milkweed right when caterpillars are feeding. Some towns have started delaying mowing until after monarch migration. The Vermont Monarch Collaborative coordinates conservation efforts. You can help by planting native milkweed and reporting sightings to Experience North. For related wildlife, see ourVermont wildlifeguide.
8. Where can I find monarch merchandise to support awareness?
After a day of spotting, you might want a keepsake. Easy Street Markets offers a few monarch-themed items. The **Vintage Monarch Butterfly Art: High-Res Collage Image** is a digital download you can print or frame yourself. For everyday use, the **10-300pcs cartoon stickers** set includes several monarch designs – perfect for laptops or water bottles. And the **Monarch Butterfly Vinyl Sticker** is a single high-quality decal. Check out our fullstickerscollection for more options.
Vintage Monarch Butterfly Art: High-Res Collage Image (Digital Download)
A high-resolution digital collage showing both male and female monarchs with vintage-style labels. Perfect for educational displays or nature decor.Check Price and Availability
10-300pcs cartoon stickers, laptop sticker for waterbottle, computer, macbook, animal decal. Vinyl waterproof
Set of 6 monarch butterfly stickers with vivid colors and UV-stable finish. Great for outdoor gear or as a conservation conversation starter.Check Price and Availability
Monarch Butterfly Vinyl Sticker | Nature Sticker | Butterfly Sticker | Vinyl Sticker | Water Bottle Sticker | Laptop Sticker Decal
A single, high-detail vinyl sticker featuring a bright monarch on a flower. Waterproof and durable for outdoor use.Check Price and Availability
Koala Vinyl Sticker
Set of 4 monarch butterfly magnets. Die-cut shape, resin-coated finish.Check Price and Availability
9. Frequently asked questions about monarch butterflies in Vermont
**Are monarch butterflies endangered in Vermont?** While not listed under the Vermont Endangered Species Act, monarchs are a species of concern due to population declines nationwide. **Do I need a permit to raise monarchs?** No, but it's best to raise caterpillars from local wild stock and release them where you found them. **What other orange butterflies fly in Vermont?** The viceroy and several fritillaries are common – compare the wing veins and white dots. **Where do Vermont's monarchs go for winter?** They migrate to the oyamel fir forests in central Mexico, up to 3,000 miles away.
See ourtour planning ideasfor the next step.
Conservation status, source NatureServe
Conservation rank for monarch butterfly (Monarch, Danaus plexippus), as assessed by NatureServe Explorer.
| Scope | NatureServe rank | Meaning |
|---|---|---|
| In Vermont | S2B | Imperiled (breeding population) |
| Global (rangewide) | G4 | Apparently Secure |
NatureServe ranks run from 1 (critically imperiled) to 5 (secure). See our data methodology for how this is sourced.
Plan your trip
Best time to see monarch butterfly in Vermont: August, September, July
See the month-by-month sighting calendar.
Plan your monarch butterfly sighting in Vermont
10,688 verified monarch butterfly records have been logged in Vermont, most recently in 2026. See the GBIF records.
Where to look in Vermont
- Appalachian National Scenic Trail · Wildlife Watching, Birdwatching · Find hotels
- Marsh - Billings - Rockefeller National Historical Park · Wildlife Watching, Birdwatching · Find hotels
- North Country National Scenic Trail · Wildlife Watching, Birdwatching · Find hotels
Frequently asked questions
1. Where are you most likely to see monarch butterflies in Vermont?+
Your best bets are sunny fields, meadows, and roadsides with abundant milkweed – the only plant monarch caterpillars eat. Prime spots include the Champlain Valley, around Burlington’s Intervale, and the open grasslands of the Taconic Mountains. I’ve had consistent luck at the Dead Creek Wildlife Management Area in Addison County during early September. State parks like Grand Isle State Park and the shoreline at Sand Bar State Park also concentrate migrating monarchs because of the lake effect.
2. What season and weather patterns help you spot monarchs?+
Monarchs appear in Vermont from late July through September, with peak migration usually hitting in the first two weeks of September. They move on warm south winds after a cold front passes – those sunny, mild days with light breezes are perfect. If temperatures drop below 55°F, monarchs become sluggish. I plan my outings for late mornings after the dew dries, when butterflies warm up and become active. Overcast or rainy days are poor bets.
3. How do you identify a monarch butterfly and separate it from lookalikes?+
Monarchs are large (3.5-4 inch wingspan) with bright orange wings laced by thick black veins and a black border dotted with white spots. The viceroy butterfly is the most common mimic: it’s slightly smaller and has a horizontal black line across the hindwing that monarchs lack. Fritillaries are smaller and more golden with silver spots on the underside. I always check for the white dots on the black wing margins – that’s a dead giveaway for a true monarch. See ourstate animal guidefor the next step.
4. Do monarchs breed in Vermont or just pass through?+
Both. Vermont is part of the monarch’s northern breeding range. Female monarchs lay eggs on milkweed from June into August. The caterpillars grow into summer adults that either stay to breed or head south. The generation born in late August and September is the one that migrates all the way to Mexico. If you find milkweed with chewed leaves, look underneath for bright yellow eggs or striped caterpillars.
5. What time of day gives the best chance to see monarchs?+
Mid-morning to early afternoon (10 a.m. to 2 p.m.) is prime. Monarchs are ectothermic – they need sunshine to warm up their flight muscles. On cool mornings they often sit on flowers with wings open, basking. By late afternoon they may roost in trees to conserve energy, especially during migration. I once watched hundreds roosting in pines at Button Bay State Park as the sun set – a sight I won’t forget.
6. How can you attract monarch butterflies to your Vermont yard?+
Plant common milkweed (Asclepias syriaca) and swamp milkweed in sunny patches. Monarchs also nectar on goldenrod, asters, coneflowers, and Joe-Pye weed. Avoid pesticides and leave some areas unmowed. I’ve had success with a small plot near a stone wall in my garden – the monarchs found it within a year. Fall-blooming nectar is critical for migrants, so keep asters going into September. Check ourmonarch butterflypage for more tips.
7. What conservation concerns affect monarchs in Vermont?+
Monarch populations have declined due to habitat loss – especially milkweed – and extreme weather. Vermont’s roadside mowing can remove milkweed right when caterpillars are feeding. Some towns have started delaying mowing until after monarch migration. The Vermont Monarch Collaborative coordinates conservation efforts. You can help by planting native milkweed and reporting sightings to Experience North. For related wildlife, see ourVermont wildlifeguide.
8. Where can I find monarch merchandise to support awareness?+
After a day of spotting, you might want a keepsake. Easy Street Markets offers a few monarch-themed items. The **Vintage Monarch Butterfly Art: High-Res Collage Image** is a digital download you can print or frame yourself. For everyday use, the **10-300pcs cartoon stickers** set includes several monarch designs – perfect for laptops or water bottles. And the **Monarch Butterfly Vinyl Sticker** is a single high-quality decal. Check out our fullstickerscollection for more options. ### Vintage Monarch Butterfly Art: High-Res Collage Image (Digital Download) A high-resolution digital collage showing both male and female monarchs with vintage-style labels. Perfect for educational displays or nature decor.Check Price and Availability ### 10-300pcs cartoon stickers, laptop sticker for waterbottle, computer, macbook, animal decal. Vinyl waterproof Set of 6 monarch butterfly stickers with vivid colors and UV-stable finish. Great for outdoor gear or as a conservation conversation starter.Check Price and Availability ### Monarch Butterfly Vinyl Sticker | Nature Sticker | Butterfly Sticker | Vinyl Sticker | Water Bottle Sticker | Laptop Sticker Decal A single, high-detail vinyl sticker featuring a bright monarch on a flower. Waterproof and durable for outdoor use.Check Price and Availability ### Koala Vinyl Sticker Set of 4 monarch butterfly magnets. Die-cut shape, resin-coated finish.Check Price and Availability
Keep exploring
More places to see monarch butterfly
More wildlife in Vermont
Common questions about monarch butterflies


