Bloomipedia
Satsuki azalea (Rhododendron indicum)
Photo: Andrew Sebastian via iNaturalist · CC BY 4.0 · resized

Flowering shrub

Satsuki azalea

Rhododendron indicum

Satsuki azalea (Rhododendron indicum) is a shrub in the Ericaceae family.

🌷 Flowering shrub

Satsuki azalea is a popular flowering shrub. It's on our flower lists for 40 states.

–states where USDA records it
40Bloomipedia state lists include it
27U.S. sightings*

*iNaturalist research-grade observations, as of October 23, 2026. Planted garden shrubs are mostly excluded from research grade.

On our lists for: Alabama, Alaska, Arkansas, California, Connecticut, Delaware, Florida, Georgia, Hawaii, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Vermont, Virginia, Washington, West Virginia, Wisconsin

Quick look

Rhododendron indicum is an azalea Rhododendron species native to Japan.

  • It belongs to the Ericaceae family. iNaturalist
  • iNaturalist has 7 research-grade sightings of it in Florida, ranking #124 among the 151 flowers on our Florida list. iNaturalist
  • iNaturalist has 5 research-grade sightings of it in Mississippi, ranking #124 among the 154 flowers on our Mississippi list. iNaturalist
  • iNaturalist has 4 research-grade sightings of it in Louisiana, ranking #125 among the 154 flowers on our Louisiana list. iNaturalist

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (5 records)
Bloom time in the 40 states whose Bloomipedia list includes it
StateTypePeak bloomSightings*
Florida🌷 Gardenfew records (1)7
Mississippi🌷 Gardenfew records (3)5
Louisiana🌷 Gardenno flowering records4
Alabama🌷 Gardenno flowering records3
North Carolina🌷 Gardenfew records (1)2
Virginia🌷 Gardenno flowering records2
California🌷 Gardenno flowering records1
Georgia🌷 Gardenno flowering records1
South Carolina🌷 Gardenno flowering records1
Texas🌷 Gardenno flowering records1
New Hampshire🌷 Gardenno flowering records0
Alaska🌷 Gardenno flowering records0
Arkansas🌷 Gardenno flowering records0
Connecticut🌷 Gardenno flowering records0
Delaware🌷 Gardenno flowering records0
Hawaii🌷 Gardenno flowering records0
Iowa🌷 Gardenno flowering records0
Illinois🌷 Gardenno flowering records0
Indiana🌷 Gardenno flowering records0
Kansas🌷 Gardenno flowering records0
Kentucky🌷 Gardenno flowering records0
Massachusetts🌷 Gardenno flowering records0
Maryland🌷 Gardenno flowering records0
Maine🌷 Gardenno flowering records0
Michigan🌷 Gardenno flowering records0
Minnesota🌷 Gardenno flowering records0
Missouri🌷 Gardenno flowering records0
Nebraska🌷 Gardenno flowering records0
New Jersey🌷 Gardenno flowering records0
New York🌷 Gardenno flowering records0
Ohio🌷 Gardenno flowering records0
Oklahoma🌷 Gardenno flowering records0
Oregon🌷 Gardenno flowering records0
Pennsylvania🌷 Gardenno flowering records0
Rhode Island🌷 Gardenno flowering records0
Tennessee🌷 Gardenno flowering records0
Vermont🌷 Gardenno flowering records0
Washington🌷 Gardenno flowering records0
Wisconsin🌷 Gardenno flowering records0
West Virginia🌷 Gardenno flowering records0

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe
Unknown We couldn't find this name in NatureServe Explorer. NatureServe
State rare plant lists
Not listed Not on the official rare plant list in 29 of our 40 states.
See each state
Florida
Not listed Not on Florida Regulated Plant Index (Fla. Admin. Code 5B-40.0055). FAC 5B-40.0055
North Carolina
Not listed Not on North Carolina Protected Plant Species List (02 NCAC 48F .0301). 02 NCAC 48F .0301
Virginia
Not listed Not on Virginia endangered and threatened plant and insect species (2VAC5-320-10). 2VAC5-320-10
California
Not listed Not on California state-listed endangered, threatened and rare plants (14 CCR § 670.2), per CDFW's CNDDB list (July 2026). 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). Ga. R. 391-4-10-.09
Texas
Not listed Not on Texas endangered and threatened plants (31 Tex. Admin. Code § 69.8), as listed by Texas Parks and Wildlife. 31 TAC 69.8
New Hampshire
Not listed Not on New Hampshire Official Rare Plants List (Ncr 312, eff. Jan 1, 2020). NH Ncr 312
Connecticut
Not listed Not on Connecticut Endangered, Threatened and Special Concern Plants (RCSA 26-306; 2015 list). 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). DE rare plants 2024
Hawaii
Not listed Not on Hawaii threatened and endangered plants (HAR 13-107; the state list follows the federal list), DLNR Division of Forestry and Wildlife. HAR 13-107
Iowa
Not listed Not on Iowa endangered, threatened and special concern plants (Iowa Admin. Code r. 571-77.3). IAC 571-77.3
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. IL E&T checklist 2025
Kentucky
Not listed Not on Kentucky endangered and threatened plant lists (400 KAR 3:040, eff. 2026). 400 KAR 3:040
Massachusetts
Not listed Not on Massachusetts Endangered Species Act list (321 CMR 10.90). MESA list
Maryland
Not listed Not on Maryland threatened and endangered plants (COMAR 08.03.08.05, .06 and .08). COMAR 08.03.08
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. Maine rare plant list
Michigan
Not listed Not on Michigan endangered and threatened plants (Mich. Admin. Code R 299.1028, eff. March 20, 2023). R 299.1028
Minnesota
Not listed Not on Minnesota endangered, threatened and special concern plants (Minn. R. 6134.0300). Minn. R. 6134.0300
Missouri
Not listed Not on Missouri Wildlife Code endangered species (3 CSR 10-4.111), plants. 3 CSR 10-4.111
Nebraska
Not listed Not on Nebraska threatened and endangered species (163 Neb. Admin. Code ch. 4, § 004). 163 NAC 4-004
New Jersey
Not listed Not on New Jersey Endangered Plant Species List (N.J.A.C. 7:5C-5.1). N.J.A.C. 7:5C-5.1
New York
Not listed Not on New York protected native plants (6 NYCRR § 193.3). 6 NYCRR § 193.3
Ohio
Not listed Not on Ohio endangered and threatened plants (Ohio Adm. Code 1501:18-1-03, eff. Dec. 26, 2024). OAC 1501:18-1-03
Oregon
Not listed Not on Oregon endangered and threatened plants (OAR 603-073-0070). OAR 603-073-0070
Pennsylvania
Not listed Not on Pennsylvania classified native plants (17 Pa. Code Ch. 45, Subchapter B, as amended 2023). 17 Pa. Code Ch. 45
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). 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). TN rule 0400-06-02-.04
Vermont
Not listed Not on Endangered and Threatened Plants of Vermont (10 V.S.A. chap. 123; list of Feb 10, 2022). Vermont E&T list
Wisconsin
Not listed Not on Wisconsin endangered and threatened species list (Wis. Admin. Code NR 27.03). NR 27.03
Mississippi
No list Mississippi has no state law listing endangered or threatened plants, so we show NatureServe's Mississippi ranks instead.
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.
Alabama
No list Alabama has no state law listing endangered or threatened plants, so we show NatureServe's Alabama ranks instead.
South Carolina
No list South Carolina has no state law listing endangered or threatened plants, so we show NatureServe's South Carolina ranks instead.
Alaska
No list Alaska has no state law listing endangered or threatened plants, so we show NatureServe's Alaska ranks instead.
Arkansas
No list Arkansas has no state law listing endangered or threatened plants, so we show NatureServe's Arkansas ranks instead.
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.
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.
Oklahoma
No list Oklahoma has no state law listing endangered or threatened plants, so we show NatureServe's Oklahoma ranks instead.
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.
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.

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

Can you eat it?

For peoplePoisonous to people

NC State Extension lists it as poisonous to humans (severity: low). Poisonous parts: bark, flowers, fruits, leaves, roots, sap/juice. Symptoms they list: “While the plants are known to contain toxins, ingestion of moderate amounts of azalea (nectar or leaves) poses little toxic hazard.” NC State Extension

For petsToxic to dogs, cats and horses

ASPCA's entry “Azalea” (Rhododendron spp), which covers the whole genus, lists it as toxic to dogs, cats and horses. Signs include: Vomiting (not in horses), diarrhea, weakness, cardiac… ASPCA

🌿 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 has no state-by-state distribution for this name, so we can't map it yet.

Names, range and relatives

Other Rhododendron on Bloomipedia (11): Rhododendrons and azaleas, Great rhododendron, Labrador tea, Pinxter flower, Pacific rhododendron, Flame azalea, Mock azalea, Rhodora, Mountain azalea, Swamp azalea.

More from the Ericaceae family (55 on Bloomipedia; most observed first): Ghost pipe, Striped wintergreen, Mountain laurel, Eastern teaberry (wintergreen), Salal, Woodland pinedrops, Pinesap, Trailing arbutus (mayflower).

More Florida flowers

Sources