Bloomipedia
Persian silk tree (Albizia julibrissin)
Photo: Andrew Conboy via iNaturalist · CC BY 4.0 · resized

Flower profile

Persian silk tree

Albizia julibrissin

Persian silk tree (Albizia julibrissin) is a shrub or small tree in the Fabaceae family, introduced in the lower 48 states, blooming mostly May–July across the U.S.

Introduced in the lower 48

Persian silk tree is a flowering plant that USDA PLANTS lists as introduced in the lower 48 states. It's on our flower lists for 13 states, and across the U.S. it's most often seen in bloom in May–July.

29states where USDA records it
13Bloomipedia state lists include it
30,777U.S. sightings*

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

On our lists for: Alabama, Arkansas, Delaware, Georgia, Louisiana, Maryland, Mississippi, New Jersey, North Carolina, Oklahoma, South Carolina, Tennessee, Virginia

🚫
Regulated invasive plant in Maryland and New Jersey. It's on those states' official invasive plant lists (Maryland: Prohibited invasive plant (some phase-outs run to 2028); New Jersey: Prohibited invasive plant (propagation banned from 2027, sale from 2030)). Please don't plant or share it there. MD prohibited invasive list NJ prohibited invasive list

Quick look

Albizia julibrissin, the Persian silk tree, pink silk tree, or mimosa tree, is a species of tree in the Fabaceae family, native to southwestern and eastern Asia.

  • It belongs to the Fabaceae family. iNaturalist
  • USDA PLANTS describes it as a shrub / a tree with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as introduced in the lower 48 states and records it in 29 states. USDA PLANTS
  • In North Carolina, most iNaturalist sightings of it in flower come in June–July. iNaturalist
  • In Virginia, most iNaturalist sightings of it in flower come in June–July. iNaturalist
  • USDA PLANTS lists its flower color as white. USDA PLANTS
  • USDA PLANTS gives its bloom period as mid summer. USDA PLANTS
  • USDA PLANTS lists a mature height of about 20 ft. USDA PLANTS
  • iNaturalist has 3,615 research-grade sightings of it in North Carolina, ranking #36 among the 192 flowers on our North Carolina list. iNaturalist
  • iNaturalist has 3,326 research-grade sightings of it in Virginia, ranking #50 among the 189 flowers on our Virginia list. iNaturalist
  • iNaturalist has 2,768 research-grade sightings of it in Tennessee, ranking #27 among the 182 flowers on our Tennessee list. iNaturalist

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (2,269 records)
Bloom time in the 13 states whose Bloomipedia list includes it
StateTypePeak bloomSightings*
North CarolinaIntroducedJune–July3,615
VirginiaIntroducedJune–July3,326
TennesseeIntroducedJune–July2,768
GeorgiaIntroducedMay–July2,516
AlabamaIntroducedMay–July2,370
MarylandIntroducedJune–July1,888
South CarolinaIntroducedfew records (45)1,081
New JerseyIntroducedJune–August1,060
ArkansasIntroducedfew records (40)1,021
LouisianaIntroducedfew records (18)553
MississippiIntroducedMay–June436
OklahomaIntroducedfew records (20)407
DelawareIntroducedfew records (24)237

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
State rare plant lists
Not listed Not on the official rare plant list in 7 of our 13 states.
See each state
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
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
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
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
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
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
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
Alabama
No list Alabama has no state law listing endangered or threatened plants, so we show NatureServe's Alabama ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Alabama.
South Carolina
No list South Carolina has no state law listing endangered or threatened plants, so we show NatureServe's South Carolina ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in South Carolina.
Arkansas
No list Arkansas has no state law listing endangered or threatened plants, so we show NatureServe's Arkansas ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Arkansas.
Louisiana
No list Louisiana has no state list of endangered or threatened plants separate from the federal list, so we show federal status and NatureServe's Louisiana ranks. NatureServe: SNA, not applicable (usually because it isn't native there) in Louisiana.
Mississippi
No list Mississippi has no state law listing endangered or threatened plants, so we show NatureServe's Mississippi ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Mississippi.
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.
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 petsCan be a problem for dogs

NC State Extension flags it as a problem for dogs. 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 persian silk tree in 29 states plus Washington, D.C.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Arizona, Arkansas, California, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maryland, Massachusetts, Mississippi, Missouri, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia, West Virginia; District of Columbia.

North Carolina counties with USDA records: Alamance, Brunswick, Burke, Catawba, Chatham, Cleveland, Cumberland, Davidson, Davie, Durham, Forsyth, Greene, Halifax, Harnett, Haywood, Henderson, Hyde, Iredell, Johnston, Lee, Lincoln, Mecklenburg, Onslow, Orange, Pamlico, Polk, Randolph, Richmond, Rowan, Sampson, Swain, Wake.

Virginia counties with USDA records: Accomack, Albemarle, Amelia, Amherst, Arlington, Augusta, Bedford, Botetourt, Brunswick, Buckingham, Campbell, Caroline, Charles City, Charlotte, Chesapeake , Chesterfield, Culpeper, Cumberland, Dickenson, Dinwiddie, Essex, Fairfax, Fauquier, Fluvanna, Franklin, Gloucester, Goochland, Greene, Greensville, Halifax, Hampton , Hanover, Henrico, Henry, Isle of Wight, James City, King George, King William, King and Queen, Lancaster, Loudoun, Louisa, Madison, Mathews, Mecklenburg, Middlesex, Nelson, New Kent, Newport News , Northampton, Northumberland, Orange, Page, Pittsylvania, Powhatan, Prince Edward, Prince George, Prince William, Rappahannock, Richmond, Roanoke, Rockingham, Scott, Shenandoah, Smyth, Southampton, Spotsylvania, Stafford, Suffolk , Surry, Sussex, Virginia Beach , Warren, Washington, Westmoreland, York.

Tennessee counties with USDA records: Anderson, Campbell, Carter, Davidson, DeKalb, Dickson, Fentress, Greene, Grundy, Hardin, Haywood, Jefferson, Knox, Lake, Loudon, Montgomery, Rutherford, Sevier, Shelby, Stewart, Tipton, Union, Washington.

Growing conditions

USDA PLANTS gives Persian silk tree a high shade tolerance, medium drought tolerance and medium moisture use. It is rated for soil pH 4.8 to 7.3 and winter lows down to 2 °F.

Shade tolerance
High
Drought tolerance
Medium
Moisture use
Medium
Soil textures it is adapted to
coarse, medium, fine
Soil pH range
4.8 to 7.3
Minimum temperature tolerated
2 °F
Frost-free days needed (minimum)
200
Annual precipitation range
30 to 60 inches
Minimum root depth
30 inches
Salinity tolerance
Low
Fertility requirement
Low
Growth rate
Rapid
Lifespan
Short
Active growth period
Spring and Summer
Fruit or seed
Brown · Summer to Fall
Can be propagated by
bare root, container, seed
Commercial availability
Routinely Available

From the USDA PLANTS characteristics data for ALJU. USDA ratings are general guidance for the species, not a guarantee for your garden.

Names, range and relatives

County records: USDA PLANTS lists it in 510 counties across 24 states; the most are in Virginia (76), Alabama (55), Louisiana (48).

More from the Fabaceae family (114 on Bloomipedia; most observed first): Lupines, White clover, Red clover, Eastern redbud, Purple crownvetch, Bird's-foot trefoil, Partridge pea, White sweetclover.

More North Carolina flowers

Sources