Japanese tree lilac

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

Minnesota

Not listed Not on Minnesota endangered, threatened and special concern plants (Minn. R. 6134.0300). NatureServe has no Minnesota rank for it. ^{Minn. R. 6134.0300}

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}

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 has no Illinois rank for it. ^{IL E&T checklist 2025}

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}

Ohio

Not listed Not on Ohio endangered and threatened plants (Ohio Adm. Code 1501:18-1-03, eff. Dec. 26, 2024). NatureServe has no Ohio rank for it. ^{OAC 1501:18-1-03}

Michigan

Not listed Not on Michigan endangered and threatened plants (Mich. Admin. Code R 299.1028, eff. March 20, 2023). NatureServe has no Michigan rank for it. ^{R 299.1028}

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}

Wisconsin

Not listed Not on Wisconsin endangered and threatened species list (Wis. Admin. Code NR 27.03). NatureServe has no Wisconsin rank for it. ^{NR 27.03}

Maryland

Not listed Not on Maryland threatened and endangered plants (COMAR 08.03.08.05, .06 and .08). NatureServe has no Maryland rank for it. ^{COMAR 08.03.08}

New Jersey

Not listed Not on New Jersey Endangered Plant Species List (N.J.A.C. 7:5C-5.1). NatureServe has no New Jersey rank for it. ^{N.J.A.C. 7:5C-5.1}

Colorado

No list Colorado has no state law listing endangered or threatened plants, so we show NatureServe's Colorado ranks instead. NatureServe has no Colorado rank for it.

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 has no Indiana rank for it.

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 has no South Dakota rank for it.

New Hampshire

Not listed Not on New Hampshire Official Rare Plants List (Ncr 312, eff. Jan 1, 2020). NatureServe: SNA, not applicable (usually because it isn't native there) in New Hampshire. ^{NH Ncr 312}

Nebraska

Not listed Not on Nebraska threatened and endangered species (163 Neb. Admin. Code ch. 4, § 004). NatureServe has no Nebraska rank for it. ^{163 NAC 4-004}

Connecticut

Not listed Not on Connecticut Endangered, Threatened and Special Concern Plants (RCSA 26-306; 2015 list). NatureServe has no Connecticut rank for it. ^{CT E/T/SC list}

Delaware

Not listed Not on Rare and Uncommon Plants of Delaware (DNREC, 2024; informational, Delaware has no state plant-protection list). NatureServe has no Delaware rank for it. ^{DE rare plants 2024}

Maine

Not listed Not on Maine Rare Plant List (Maine Natural Areas Program, 2021). E and T are Maine's official endangered and threatened plants (12 M.R.S.); SC and PE are tracking categories. NatureServe has no Maine rank for it. ^{Maine rare plant list}

Virginia

Not listed Not on Virginia endangered and threatened plant and insect species (2VAC5-320-10). NatureServe has no Virginia rank for it. ^2VAC5-320-10

Washington

No list Washington has no state law listing endangered or threatened plants (the Washington Natural Heritage Program's rare plant list isn't regulatory), so we show NatureServe's Washington ranks instead. NatureServe has no Washington rank for it.

Iowa

Not listed Not on Iowa endangered, threatened and special concern plants (Iowa Admin. Code r. 571-77.3). NatureServe has no Iowa rank for it. ^{IAC 571-77.3}

Kentucky

Not listed Not on Kentucky endangered and threatened plant lists (400 KAR 3:040, eff. 2026). NatureServe has no Kentucky rank for it. ^{400 KAR 3:040}

Missouri

Not listed Not on Missouri Wildlife Code endangered species (3 CSR 10-4.111), plants. NatureServe has no Missouri rank for it. ^{3 CSR 10-4.111}

Arkansas

No list Arkansas has no state law listing endangered or threatened plants, so we show NatureServe's Arkansas ranks instead. NatureServe has no Arkansas rank for it.

California

Not listed Not on California state-listed endangered, threatened and rare plants (14 CCR § 670.2), per CDFW's CNDDB list (July 2026). NatureServe has no California rank for it. ^{CNDDB listed plants (July 2026)}

Georgia

Not listed Not on Georgia protected plants (Ga. Comp. R. & Regs. 391-4-10-.09; a 2026 update is proposed). NatureServe has no Georgia rank for it. ^{Ga. R. 391-4-10-.09}

Idaho

No list Idaho has no state law listing endangered or threatened plants, so we show NatureServe's Idaho ranks instead. NatureServe has no Idaho rank for it.

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 has no Kansas rank for it.

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}

Montana

No list Montana has no state law listing endangered or threatened plants, so we show NatureServe's Montana ranks instead. NatureServe has no Montana rank for it.

North Carolina

Not listed Not on North Carolina Protected Plant Species List (02 NCAC 48F .0301). NatureServe has no North Carolina rank for it. ^{02 NCAC 48F .0301}

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 has no North Dakota rank for it.

New Mexico

Not listed Not on New Mexico state endangered plant species (19.21.2.9 NMAC). NatureServe has no New Mexico rank for it. ^{19.21.2.9 NMAC}

Oklahoma

No list Oklahoma has no state law listing endangered or threatened plants, so we show NatureServe's Oklahoma ranks instead. NatureServe has no Oklahoma rank for it.

Oregon

Not listed Not on Oregon endangered and threatened plants (OAR 603-073-0070). NatureServe has no Oregon rank for it. ^{OAR 603-073-0070}

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 has no Rhode Island rank for it. ^{RI rare plants 2016}

Tennessee

Not listed Not on Tennessee endangered plants (Tenn. Comp. R. & Regs. 0400-06-02-.04, Rare Plant Protection and Conservation Act). NatureServe has no Tennessee rank for it. ^{TN rule 0400-06-02-.04}

Texas

Not listed Not on Texas endangered and threatened plants (31 Tex. Admin. Code § 69.8), as listed by Texas Parks and Wildlife. NatureServe has no Texas rank for it. ^{31 TAC 69.8}

Utah

No list Utah has no state law listing endangered or threatened plants, so we show NatureServe's Utah ranks instead. NatureServe has no Utah rank for it.

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 has no West Virginia rank for it.

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.

Rare elsewhere

No other U.S. state ranks it S1, S2, SH or SX.

Checked October 23, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

🌿 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.