FNPS Plant Database

Lythrum flagellare

Florida loosetrife, lowland loosestrife

Nomenclature

Common Name:

Florida loosetrife, lowland loosestrife

Synonym(s):

Genus species:

Lythrum flagellare

Family:

Lythraceae

Plant Specifics

Form:

Herb

Size:

Sprawling, forms mats

Life Span:

long-lived perennial

Flower Color:

pink, purple

Fruit Color:

Phenology:

Blooms Feb.-June

Noted For:

Landscaping

Recommended Uses:

Rain garden, wet wildflower garden, groundcover in wet area.

Considerations:

State Endangered. Obtain from reputable sources only.

Availability:

Friends, Specialty Provider, Seed

Propagation:

Seed.

Light:

9A, 9B, 10A, 10B

Moisture Tolerance:

Always Flooded---------------------------------Extremely Dry

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Usually moist, occasional inundation
-to- Not wet but not extremely dry

Salt Water Flooding

Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Low/no tolerance of salty wind or direct salt spray

Soil or Other Substrate:

Sand, Loam, Organic

Soil pH:

Suitable to Grow In:

USDA zones are based on the average annual extreme minimum winter temperature.

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Vouchered In:

Distribution
Vouchered
Not vouchered
Selected
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No county distribution is available for this plant yet.
Starting…
Map coded by Melissa Fernandez-de Cespedes (Paynes Prairie Chapter)

Ecology

Wildlife:

Native Habitats:

Floodplain marshes, wet prairies, and edges of cypress depressions

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments:

FNPS Plant Print

Citations:

Florida Wildflower Foundation. (Undated). Flower Friday: Florida loosestrife. ( https://www.flawildflowers.org/flower-friday-lythrum-flagellare/ ). Accessed 2026. Florida Wildflower Foundation, Maitland, FL.


Kral, R. (1983). A report on some rare, threatened, or endangered forest-related vascular plants of the South. Volume I. Isoetaceae through Euphorbiaceae. Volume II. Aquifoliaceae through Asteraceae and glossary.


Long, Robert W. and Olga Lakela. (1971). A Flora of Tropical Florida. A Manual of the Seed Plants and Ferns of Southern Peninsular Florida. University of Miami Press, Miami, FL.


Weakley, A.S., D.B. Poindexter, H.C. Medford, B.A. Sorrie, C.A. McCormick, E.L. Bridges, S.L. Orzell, K.A. Bradley, H.E. Ballard, Jr., R.N. Burwell, S.L. Lockhart, A.R. Franck. (2020). Studies in the vascular flora of the southeastern United States. VI. Journal of the Botanical Research Institute of Texas, 14(2), 199–239.


Wunderlin, R. P., B. F. Hansen, A. R. Franck, and F. B. Essig. (1999+). Atlas of Florida Plants. ( https://florida.plantatlas.usf.edu/ ). [S. M. Landry and K. N. Campbell (application development), USF Water Institute.] Institute for Systematic Botany, University of South Florida, Tampa, FL.


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