Bloomipedia
Ground-ivy (Glechoma hederacea)
Photo: Desiree L. Narango via iNaturalist · CC BY 4.0 · resized

Flower profile

Ground-ivy

Glechoma hederacea

Introduced in the lower 48

Ground-ivy is a wildflower that USDA PLANTS lists as introduced in the lower 48 states. It's on our flower lists for 26 states, and across the U.S. it's most often seen in bloom in March–June.

46states
26of our state lists
90,533U.S. sightings*

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

On our lists for: Connecticut, Delaware, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, New Jersey, New York, North Carolina, North Dakota, Ohio, Pennsylvania, Rhode Island, Tennessee, Vermont, Virginia, West Virginia, Wisconsin

🚫
Regulated invasive plant in Maryland and Connecticut. It's on those states' official invasive plant lists (Maryland: Prohibited invasive plant (some phase-outs run to 2028); Connecticut: Prohibited invasive plant (some listings take effect on later dates; see the statute)). Please don't plant or share it there. MD prohibited invasive list CGS § 22a-381d

Quick look

Glechoma hederacea is an aromatic, perennial, evergreen creeper of the mint family Lamiaceae. It is commonly known as ground-ivy, gill-over-the-ground, creeping charlie, alehoof, tunhoof, catsfoot, field balm, and run-away-robin. It is also sometimes known as creeping jenny, but that name more commonly refers to Lysimachia nummularia. It is used as a salad green in many countries.

  • It belongs to the Lamiaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as introduced in the lower 48 states and records it in 46 states. USDA PLANTS
  • In Pennsylvania, most iNaturalist sightings of it in flower come in March–June. iNaturalist
  • In New York, most iNaturalist sightings of it in flower come in April–June. iNaturalist
  • iNaturalist has 8,558 research-grade sightings of it in Pennsylvania, ranking #10 among the 111 flowers on our Pennsylvania list. iNaturalist
  • iNaturalist has 7,353 research-grade sightings of it in New York, ranking #19 among the 109 flowers on our New York list. iNaturalist
  • iNaturalist has 6,832 research-grade sightings of it in Maryland, ranking #7 among the 110 flowers on our Maryland list. iNaturalist

State flower gift ideas

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

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (8,935 records)
Bloom time in each of our 26 states
StateTypePeak bloomSightings*
PennsylvaniaIntroducedMarch–June8,558
New YorkIntroducedApril–June7,353
MarylandIntroducedMarch–May6,832
OhioIntroducedMarch–June6,683
IllinoisIntroducedMarch–June5,866
VirginiaIntroducedMarch–May5,596
MassachusettsIntroducedApril–June5,374
New JerseyIntroducedMarch–June4,755
North CarolinaIntroducedMarch–May4,498
WisconsinIntroducedApril–June3,743
MichiganIntroducedApril–June3,614
MinnesotaIntroducedApril–June3,520
IndianaIntroducedMarch–May2,941
TennesseeIntroducedMarch–May2,531
KentuckyIntroducedMarch–May2,074
MissouriIntroducedMarch–May1,720
ConnecticutIntroducedApril–June1,542
VermontIntroducedApril–June1,485
West VirginiaIntroducedMarch–May1,431
IowaIntroducedApril–June1,313
GeorgiaIntroducedFebruary–April1,297
NebraskaIntroducedApril–May695
DelawareIntroducedApril–May528
Rhode IslandIntroducedApril–June423
KansasIntroducedMarch–May409
North DakotaIntroducedfew records73

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
Pennsylvania
Not listed Not on Pennsylvania classified native plants (17 Pa. Code Ch. 45, Subchapter B, as amended 2023). NatureServe: SNA, not applicable (usually because it isn't native there) in Pennsylvania. 17 Pa. Code Ch. 45
New York
Not listed Not on New York protected native plants (6 NYCRR § 193.3). NatureServe: SNA, not applicable (usually because it isn't native there) in New York. 6 NYCRR § 193.3
Maryland
Not listed Not on Maryland threatened and endangered plants (COMAR 08.03.08.05, .06 and .08). NatureServe: SNA, not applicable (usually because it isn't native there) in Maryland. COMAR 08.03.08
Ohio
Not listed Not on Ohio endangered and threatened plants (Ohio Adm. Code 1501:18-1-03, eff. Dec. 26, 2024). NatureServe: SNA, not applicable (usually because it isn't native there) in Ohio. OAC 1501:18-1-03
Illinois
Not listed Not on Illinois List of Endangered and Threatened Flora (17 Ill. Adm. Code 1050), per the Endangered Species Protection Board's 2025 checklist. NatureServe: SNA, not applicable (usually because it isn't native there) in Illinois. IL E&T checklist 2025
Virginia
Not listed Not on Virginia endangered and threatened plant and insect species (2VAC5-320-10). NatureServe: SNA, not applicable (usually because it isn't native there) in Virginia. 2VAC5-320-10
Massachusetts
Not listed Not on Massachusetts Endangered Species Act list (321 CMR 10.90). NatureServe: SNA, not applicable (usually because it isn't native there) in Massachusetts. MESA list
New Jersey
Not listed Not on New Jersey Endangered Plant Species List (N.J.A.C. 7:5C-5.1). NatureServe: SNA, not applicable (usually because it isn't native there) in New Jersey. N.J.A.C. 7:5C-5.1
North Carolina
Not listed Not on North Carolina Protected Plant Species List (02 NCAC 48F .0301). NatureServe: SNA, not applicable (usually because it isn't native there) in North Carolina. 02 NCAC 48F .0301
Wisconsin
Not listed Not on Wisconsin endangered and threatened species list (Wis. Admin. Code NR 27.03). NatureServe: SNA, not applicable (usually because it isn't native there) in Wisconsin. NR 27.03
Michigan
Not listed Not on Michigan endangered and threatened plants (Mich. Admin. Code R 299.1028, eff. March 20, 2023). NatureServe: SNA, not applicable (usually because it isn't native there) in Michigan. R 299.1028
Minnesota
Not listed Not on Minnesota endangered, threatened and special concern plants (Minn. R. 6134.0300). NatureServe: SNA, not applicable (usually because it isn't native there) in Minnesota. Minn. R. 6134.0300
Indiana
No list Indiana has no state law listing endangered or threatened plants (the DNR keeps a rare plant list, but it isn't regulatory), so we show NatureServe's Indiana ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Indiana.
Tennessee
Not listed Not on Tennessee endangered plants (Tenn. Comp. R. & Regs. 0400-06-02-.04, Rare Plant Protection and Conservation Act). NatureServe: SNA, not applicable (usually because it isn't native there) in Tennessee. TN rule 0400-06-02-.04
Kentucky
Not listed Not on Kentucky endangered and threatened plant lists (400 KAR 3:040, eff. 2026). NatureServe: SNA, not applicable (usually because it isn't native there) in Kentucky. 400 KAR 3:040
Missouri
Not listed Not on Missouri Wildlife Code endangered species (3 CSR 10-4.111), plants. NatureServe: SNA, not applicable (usually because it isn't native there) in Missouri. 3 CSR 10-4.111
Connecticut
Not listed Not on Connecticut Endangered, Threatened and Special Concern Plants (RCSA 26-306; 2015 list). NatureServe: SNA, not applicable (usually because it isn't native there) in Connecticut. CT E/T/SC list
Vermont
Not listed Not on Endangered and Threatened Plants of Vermont (10 V.S.A. chap. 123; list of Feb 10, 2022). NatureServe: SNA, not applicable (usually because it isn't native there) in Vermont. Vermont E&T list
West Virginia
No list West Virginia has no state law listing endangered or threatened plants (only federally listed species are protected), so we show NatureServe's West Virginia ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in West Virginia.
Iowa
Not listed Not on Iowa endangered, threatened and special concern plants (Iowa Admin. Code r. 571-77.3). NatureServe: SNA, not applicable (usually because it isn't native there) in Iowa. IAC 571-77.3
Georgia
Not listed Not on Georgia protected plants (Ga. Comp. R. & Regs. 391-4-10-.09; a 2026 update is proposed). NatureServe: SNA, not applicable (usually because it isn't native there) in Georgia. Ga. R. 391-4-10-.09
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
Delaware
Not listed Not on Rare and Uncommon Plants of Delaware (DNREC, 2024; informational, Delaware has no state plant-protection list). NatureServe: SNA, not applicable (usually because it isn't native there) in Delaware. DE rare plants 2024
Rhode Island
Not listed Not on Rhode Island Rare Plants 2016 (RI Natural History Survey, from the RI Wildlife Action Plan; informational, Rhode Island has no state plant-protection listing law). NatureServe: SNA, not applicable (usually because it isn't native there) in Rhode Island. RI rare plants 2016
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.
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 peopleEdible (per NC State Extension)

NC State Extension notes: “Toxic to horses. Leaves are edible by humans. Can be used to create a medicinal tea or used in soups, jams and other dishes.” NC State Extension

For petsCan be a problem for horses

NC State Extension flags it as a problem for horses. It isn't on the ASPCA plant list. NC State Extension

🌿 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 ground-ivy in 46 states plus Washington, D.C.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Alaska, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, 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.

Pennsylvania counties with USDA records: Adams, Allegheny, Armstrong, Beaver, Bedford, Berks, Blair, Bradford, Bucks, Butler, Cambria, Cameron, Carbon, Centre, Chester, Clarion, Clearfield, Clinton, Columbia, Crawford, Cumberland, Dauphin, Delaware, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Juniata, Lackawanna, Lancaster, Lawrence, Lebanon, Lehigh, Luzerne, Lycoming, McKean, Mercer, Mifflin, Monroe, Montgomery, Northampton, Northumberland, Perry, Philadelphia, Pike, Potter, Schuylkill, Snyder, Somerset, Sullivan, Susquehanna, Tioga, Union, Venango, Warren, Washington, Westmoreland, Wyoming, York.

New York counties with USDA records: Albany, Allegany, Bronx, Cattaraugus, Cayuga, Chemung, Clinton, Columbia, Delaware, Dutchess, Essex, Greene, Hamilton, Kings, Lewis, Livingston, Madison, Monroe, Nassau, New York, Niagara, Oneida, Onondaga, Orange, Oswego, Otsego, Putnam, Queens, Rensselaer, Richmond, Rockland, Schenectady, Seneca, St. Lawrence, Suffolk, Tompkins, Ulster, Warren, Washington, Westchester, Yates.

More Pennsylvania flowers

Sources