Flower profile

Field bindweed

Convolvulus arvensis

Introduced in the lower 48

Field bindweed is a wildflower that USDA PLANTS lists as introduced in the lower 48 states. It's on our flower lists for 11 states, and across the U.S. it's most often seen in bloom in April–September.

49states

11of our state lists

37,027U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Colorado, Idaho, Kansas, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Utah, Wyoming

🚫

Regulated invasive plant in Colorado, Kansas, Montana, Idaho and Wyoming. It's on those states' official invasive plant lists (Colorado: List C noxious weed; Kansas: Category C noxious weed; Montana: Priority 2B noxious weed; Idaho: Statewide containment noxious weed; Wyoming: State designated noxious weed). Please don't plant or share it there. ^{8 CCR 1206-2 K.A.R. 4-8-44 ARM 4.5.206–210 IDAPA 02.06.09 WY designated noxious weeds}

Quick look

Convolvulus arvensis, or field bindweed, is a species of bindweed in the Convolvulaceae native to Europe and Asia. It is a rhizomatous and climbing or creeping herbaceous perennial plant with stems growing to 0.5–2 metres (1.6–6.6 ft) in length. It is usually found at ground level with small white and pink flowers.
From Wikipedia's article Convolvulus arvensis, CC BY-SA 4.0.

It belongs to the Convolvulaceae family. ^iNaturalist
USDA PLANTS describes it as an herb (forb) / a vine with a perennial life cycle. ^{USDA PLANTS}
USDA PLANTS lists it as introduced in the lower 48 states and records it in 49 states. ^{USDA PLANTS}
In Colorado, most iNaturalist sightings of it in flower come in May–September. ^iNaturalist
In New Mexico, most iNaturalist sightings of it in flower come in April–August. ^iNaturalist
iNaturalist has 6,645 research-grade sightings of it in Colorado, ranking #9 among the 110 flowers on our Colorado list. ^iNaturalist
iNaturalist has 1,490 research-grade sightings of it in New Mexico, ranking #24 among the 109 flowers on our New Mexico list. ^iNaturalist
iNaturalist has 1,436 research-grade sightings of it in Utah, ranking #28 among the 109 flowers on our Utah list. ^iNaturalist

State flower gift ideas

This one is a regulated invasive plant, so here are state flower gifts instead.

🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.

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State flower print
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Birth-flower necklace
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Wildflower seed favors
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Botanical tea towel
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Pressed-flower frame
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Flower-garden mug
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When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (7,440 records)

Bloom time in each of our 11 states

State	Type	Peak bloom	Sightings*
Colorado	Introduced	May–September	6,645
New Mexico	Introduced	April–August	1,490
Utah	Introduced	May–October	1,436
Kansas	Introduced	May–July	954
South Dakota	Introduced	June–September	786
Montana	Introduced	June–September	713
Idaho	Introduced	May–September	636
Oklahoma	Introduced	April–August	485
Nebraska	Introduced	June–September	471
Wyoming	Introduced	June–September	388
North Dakota	Introduced	June–August	300

Conservation status

Federal (U.S. ESA): Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. ^{USFWS ECOS}
NatureServe global: GNR Not yet ranked worldwide. ^NatureServe
Colorado: No list Colorado has no state law listing endangered or threatened plants, so we show NatureServe's Colorado ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Colorado.
New Mexico: Not listed Not on New Mexico state endangered plant species (19.21.2.9 NMAC). NatureServe: SNA, not applicable (usually because it isn't native there) in New Mexico. ^{19.21.2.9 NMAC}
Utah: No list Utah has no state law listing endangered or threatened plants, so we show NatureServe's Utah ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Utah.
Kansas: No list Kansas's endangered and threatened list (K.A.R. 115-15-1) covers animals only, so we show NatureServe's Kansas ranks for plants. NatureServe: SNA, not applicable (usually because it isn't native there) in Kansas.
South Dakota: No list South Dakota's endangered and threatened list (ARSD 41:10:02) covers animals only, so we show NatureServe's South Dakota ranks for plants. NatureServe: SNA, not applicable (usually because it isn't native there) in South Dakota.
Montana: No list Montana has no state law listing endangered or threatened plants, so we show NatureServe's Montana ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Montana.
Idaho: No list Idaho has no state law listing endangered or threatened plants, so we show NatureServe's Idaho ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Idaho.
Oklahoma: No list Oklahoma has no state law listing endangered or threatened plants, so we show NatureServe's Oklahoma ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Oklahoma.
Nebraska: Not listed Not on Nebraska threatened and endangered species (163 Neb. Admin. Code ch. 4, § 004). NatureServe: SNA, not applicable (usually because it isn't native there) in Nebraska. ^{163 NAC 4-004}
Wyoming: No list Wyoming has no state law listing endangered or threatened plants, so we show NatureServe's Wyoming ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Wyoming.
North Dakota: No list North Dakota has no state law listing endangered or threatened plants, so we show NatureServe's North Dakota ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in North Dakota.
Rare elsewhere: No other U.S. state ranks it S1, S2, SH or SX.

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

For peopleNot well documented

None of the sources we checked (NC State Extension (no edibility or poison notes on its page), USDA PLANTS) say whether it's edible or poisonous for people. ^{NC State Extension}

For petsNot well documented

It isn't on the ASPCA plant list, and NC State Extension doesn't flag it for pets.

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records field bindweed in 49 states plus Washington, D.C.

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recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming; District of Columbia.

Colorado counties with USDA records: Baca, Bent, Boulder, Delta, Denver, Dolores, Douglas, El Paso, Grand, Gunnison, Huerfano, Jefferson, La Plata, Larimer, Las Animas, Lincoln, Logan, Mesa, Moffat, Montezuma, Montrose, Otero, Pitkin, Pueblo, Routt, Saguache, Teller.

New Mexico counties with USDA records: Bernalillo, Catron, Chaves, Cibola, Colfax, Curry, De Baca, Dona Ana, Eddy, Grant, Guadalupe, Harding, Hidalgo, Lea, Lincoln, Los Alamos, Luna, McKinley, Mora, Otero, Quay, Rio Arriba, Roosevelt, San Juan, San Miguel, Sandoval, Santa Fe, Sierra, Socorro, Taos, Torrance, Union, Valencia.

Utah counties with USDA records: Beaver, Box Elder, Cache, Carbon, Daggett, Davis, Duchesne, Emery, Garfield, Grand, Iron, Juab, Kane, Millard, Morgan, Piute, Rich, Salt Lake, San Juan, Sanpete, Sevier, Summit, Tooele, Uintah, Utah, Wasatch, Washington, Wayne, Weber.

More Colorado flowers

Bush morning-glory

Ipomoea leptophylla

Native

🌼 Blooms: June–August

Great mullein

Verbascum thapsus

Introduced

🌼 Blooms in CO: June–October

Blue columbine

Aquilegia coerulea

★ CO state flowerNative

🌼 Blooms in CO: June–August

Sources

USDA, NRCS. PLANTS Database, profile COAR4.
iNaturalist, Convolvulus arvensis: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
Wikipedia, Convolvulus arvensis (lead quoted under CC BY-SA 4.0).
Colorado: Colorado noxious weed lists A, B and C (8 CCR 1206-2, eff. May 15, 2025).
New Mexico: New Mexico state endangered plant species (19.21.2.9 NMAC).
New Mexico: New Mexico Noxious Weed List (NM Department of Agriculture, updated June 2020).
Utah: Utah noxious weed list (Utah Admin. Code R68-9-3).
Kansas: Kansas noxious weeds (K.A.R. 4-8-44, as amended 2026).
South Dakota: South Dakota statewide noxious weeds (ARSD 12:62:03:01.06).
Montana: Montana noxious weed list (Admin. R. Mont. 4.5.206–4.5.210).
Idaho: Idaho noxious weeds (IDAPA 02.06.09, Section 220).
Oklahoma: Oklahoma Noxious Weed Law (2 O.S. § 3-220).
Nebraska: Nebraska threatened and endangered species (163 Neb. Admin. Code ch. 4, § 004).
Nebraska: Nebraska noxious weeds (25 Neb. Admin. Code ch. 10, § 001.02).
Wyoming: Wyoming state designated noxious weeds (W.S. 11-5-102(a)(xi)), as listed by the Wyoming Weed & Pest Council.
North Dakota: North Dakota state noxious weeds (N.D. Admin. Code 7-06-01-02), as listed by the ND Department of Agriculture.
USFWS, ECOS species database (ESA listing check), October 17, 2026.
NatureServe Explorer, Convolvulus arvensis (global and state ranks).
Edibility and toxicity: NC State Extension.
Photo: Emmett Collins-Sussman via iNaturalist · CC BY 4.0 · resized.