Bloomipedia
Common valerian (Valeriana officinalis)
Photo: Dawn Nelson via iNaturalist · CC BY 4.0 · resized

Flower profile

Common valerian

Valeriana officinalis

Not native to Maine

Common valerian is a wildflower that USDA PLANTS lists as introduced in the lower 48 states. In Maine it's most often seen in bloom in June–August.

21states
988ME sightings*
4,687U.S. sightings*

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

On our lists for: Maine

🚫
Regulated invasive plant in Maine. It's on that state' official invasive plant list (Maine: Do Not Sell invasive plant (illegal to sell or import)). Please don't plant or share it there. Maine Do Not Sell list

Quick look

Valerian is an herbaceous perennial flowering plant in the family Caprifoliaceae, native to Europe and southwestern Asia. It is the type species of the genus Valeriana.

  • It belongs to the Caprifoliaceae 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 21 states. USDA PLANTS
  • NatureServe lists it as not native to Maine. NatureServe
  • In Maine, most iNaturalist sightings of it in flower come in June–August. iNaturalist
  • iNaturalist has 988 research-grade sightings of it in Maine, ranking #81 among the 110 flowers on our Maine list. iNaturalist

State flower gift ideas

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

When does it bloom?

In Maine, most flowering sightings come in June–August.

Flowering records by month in Maine (iNaturalist research-grade observations marked “Flowering”) (124 records)

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
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: SNA, not applicable (usually because it isn't native there) in Maine. Maine rare plant list
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: “Roots for flavoring and as a tranquilizing herbal medicine” 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 common valerian in 21 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Connecticut, Idaho, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New Jersey, New York, Ohio, Oregon, Pennsylvania, Vermont, Washington, West Virginia, Wisconsin.

Maine counties with USDA records: Cumberland, Hancock, Knox, Lincoln, Penobscot, Waldo, York.

More Maine flowers

Sources