
Flowering shrub
Seven-son flower
Heptacodium miconioides
Seven-son flower is a popular flowering shrub. It's on our flower lists for 28 states.
*iNaturalist research-grade observations, as of October 23, 2026. Planted garden shrubs are mostly excluded from research grade.
On our lists for: Colorado, Connecticut, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, Tennessee, Vermont, Virginia, Washington, Wisconsin
Quick look
Heptacodium miconioides, the seven-son flower, is a species of flowering plant. It is the sole species in the monotypic genus Heptacodium, of the honeysuckle family Caprifoliaceae. The common name "seven-son flower" is a direct translation of the Standard Chinese name 七子花 qī zi huā.
- It belongs to the Caprifoliaceae family. iNaturalist
- iNaturalist has 23 research-grade sightings of it in Pennsylvania, ranking #138 among the 190 flowers on our Pennsylvania list. iNaturalist
- iNaturalist has 17 research-grade sightings of it in New York, ranking #139 among the 193 flowers on our New York list. iNaturalist
- iNaturalist has 14 research-grade sightings of it in Missouri, ranking #123 among the 177 flowers on our Missouri list. iNaturalist
Seven-son flower gift ideas
Handmade seven-son flower gifts from independent makers.
🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.
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Seven-son flower art print
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Seven-son flower greeting card
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Seven-son flower mug
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Seven-son flower earrings
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Seven-son flower embroidery pattern
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Seven-son flower sticker
When does it bloom?
Bloom time in each of our 28 states
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| Pennsylvania | 🌷 Garden | few records | 23 |
| New York | 🌷 Garden | few records | 17 |
| Missouri | 🌷 Garden | few records | 14 |
| Ohio | 🌷 Garden | few records | 9 |
| Michigan | 🌷 Garden | few records | 6 |
| New Jersey | 🌷 Garden | few records | 6 |
| Illinois | 🌷 Garden | few records | 4 |
| Indiana | 🌷 Garden | few records | 4 |
| Massachusetts | 🌷 Garden | few records | 4 |
| Washington | 🌷 Garden | few records | 4 |
| Connecticut | 🌷 Garden | few records | 2 |
| Maine | 🌷 Garden | few records | 2 |
| Virginia | 🌷 Garden | few records | 2 |
| New Hampshire | 🌷 Garden | few records | 1 |
| Colorado | 🌷 Garden | few records | 1 |
| Iowa | 🌷 Garden | few records | 1 |
| Kansas | 🌷 Garden | few records | 1 |
| Kentucky | 🌷 Garden | few records | 1 |
| North Carolina | 🌷 Garden | few records | 1 |
| Nebraska | 🌷 Garden | few records | 1 |
| Oregon | 🌷 Garden | few records | 1 |
| Wisconsin | 🌷 Garden | few records | 1 |
| Maryland | 🌷 Garden | few records | 0 |
| Minnesota | 🌷 Garden | few records | 0 |
| Oklahoma | 🌷 Garden | few records | 0 |
| Rhode Island | 🌷 Garden | few records | 0 |
| Tennessee | 🌷 Garden | few records | 0 |
| Vermont | 🌷 Garden | few records | 0 |
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
- Pennsylvania
- Not listed Not on Pennsylvania classified native plants (17 Pa. Code Ch. 45, Subchapter B, as amended 2023). 17 Pa. Code Ch. 45
- New York
- Not listed Not on New York protected native plants (6 NYCRR § 193.3). 6 NYCRR § 193.3
- Missouri
- Not listed Not on Missouri Wildlife Code endangered species (3 CSR 10-4.111), plants. 3 CSR 10-4.111
- 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
- Michigan
- Not listed Not on Michigan endangered and threatened plants (Mich. Admin. Code R 299.1028, eff. March 20, 2023). R 299.1028
- 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
- 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
- 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.
- Massachusetts
- Not listed Not on Massachusetts Endangered Species Act list (321 CMR 10.90). MESA list
- 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.
- Connecticut
- Not listed Not on Connecticut Endangered, Threatened and Special Concern Plants (RCSA 26-306; 2015 list). CT E/T/SC list
- 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
- Virginia
- Not listed Not on Virginia endangered and threatened plant and insect species (2VAC5-320-10). 2VAC5-320-10
- New Hampshire
- Not listed Not on New Hampshire Official Rare Plants List (Ncr 312, eff. Jan 1, 2020). NH Ncr 312
- Colorado
- No list Colorado has no state law listing endangered or threatened plants, so we show NatureServe's Colorado ranks instead.
- Iowa
- Not listed Not on Iowa endangered, threatened and special concern plants (Iowa Admin. Code r. 571-77.3). IAC 571-77.3
- 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.
- Kentucky
- Not listed Not on Kentucky endangered and threatened plant lists (400 KAR 3:040, eff. 2026). 400 KAR 3:040
- North Carolina
- Not listed Not on North Carolina Protected Plant Species List (02 NCAC 48F .0301). 02 NCAC 48F .0301
- Nebraska
- Not listed Not on Nebraska threatened and endangered species (163 Neb. Admin. Code ch. 4, § 004). 163 NAC 4-004
- Oregon
- Not listed Not on Oregon endangered and threatened plants (OAR 603-073-0070). OAR 603-073-0070
- Wisconsin
- Not listed Not on Wisconsin endangered and threatened species list (Wis. Admin. Code NR 27.03). NR 27.03
- Maryland
- Not listed Not on Maryland threatened and endangered plants (COMAR 08.03.08.05, .06 and .08). COMAR 08.03.08
- Minnesota
- Not listed Not on Minnesota endangered, threatened and special concern plants (Minn. R. 6134.0300). Minn. R. 6134.0300
- Oklahoma
- No list Oklahoma has no state law listing endangered or threatened plants, so we show NatureServe's Oklahoma ranks instead.
- 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
Checked October 23, 2026. Rankings and lists can change, so follow the links for the latest.
Can you eat it?
None of the sources we checked (NC State Extension (no edibility or poison notes on its page)) say whether it's edible or poisonous for people. NC State Extension
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 has no state-by-state distribution for this name, so we can't map it yet.
More Pennsylvania flowers
Sources
- USDA PLANTS: no profile matched this name.
- iNaturalist, Heptacodium miconioides: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 23, 2026.
- Wikipedia, Heptacodium (lead quoted under CC BY-SA 4.0).
- Pennsylvania: Pennsylvania classified native plants (17 Pa. Code Ch. 45, Subchapter B, as amended 2023).
- Pennsylvania: Pennsylvania Noxious Weed List (3 Pa.C.S. § 1519, PA Dept. of Agriculture) (PDA's page spells garlic mustard “Allaria petiolata”; we match it as Alliaria petiolata).
- New York: New York protected native plants (6 NYCRR § 193.3).
- New York: New York prohibited and regulated invasive species (6 NYCRR Part 575).
- Missouri: Missouri Wildlife Code endangered species (3 CSR 10-4.111), plants.
- Missouri: Missouri noxious weed list (2 CSR 70-45.005).
- Ohio: Ohio endangered and threatened plants (Ohio Adm. Code 1501:18-1-03, eff. Dec. 26, 2024).
- Ohio: Ohio invasive plant species (Ohio Adm. Code 901:5-30-01).
- Michigan: Michigan endangered and threatened plants (Mich. Admin. Code R 299.1028, eff. March 20, 2023).
- Michigan: Michigan prohibited and restricted species (NREPA Part 413 and the 2026 Invasive Species Order), as listed by Michigan's Invasive Species Program.
- New Jersey: New Jersey Endangered Plant Species List (N.J.A.C. 7:5C-5.1).
- New Jersey: New Jersey prohibited invasive plant species (Invasive Species Management Act; propagation banned from Jan 1, 2027, sale from Jan 1, 2030).
- Illinois: Illinois List of Endangered and Threatened Flora (17 Ill. Adm. Code 1050), per the Endangered Species Protection Board's 2025 checklist.
- Illinois: Illinois Official List of Exotic Weeds (17 Ill. Adm. Code 1100.30, Illinois Exotic Weed Act).
- Indiana: Indiana prohibited invasive terrestrial plants (312 IAC 18-3-25).
- Massachusetts: Massachusetts Endangered Species Act list (321 CMR 10.90).
- Massachusetts: Massachusetts Prohibited Plant List (MDAR) (Text from MDAR's 2023 scientific-name PDF (mass.gov blocks automated downloads); 2024-2026 additions listed on the mass.gov page: Alnus glutinosa, Pyrus calleryana, Miscanthus sinensis, Aralia elata, Rhodotypos scandens, Symplocos paniculata.).
- Washington: Washington State noxious weed list (WAC 16-750-005, -011, -015).
- Connecticut: Connecticut Endangered, Threatened and Special Concern Plants (RCSA 26-306; 2015 list).
- Connecticut: Connecticut prohibited invasive plants (Conn. Gen. Stat. § 22a-381d).
- Maine: 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: Maine Do Not Sell invasive plant list (01-001 C.M.R. ch. 273).
- Virginia: Virginia endangered and threatened plant and insect species (2VAC5-320-10).
- Virginia: Virginia noxious weeds (2VAC5-317-20, Tier 1, 2 and 3).
- New Hampshire: New Hampshire Official Rare Plants List (Ncr 312, eff. Jan 1, 2020).
- New Hampshire: NH Prohibited Invasive Species List (Agr 3800, Table 3800.1).
- Colorado: Colorado noxious weed lists A, B and C (8 CCR 1206-2, eff. May 15, 2025).
- Iowa: Iowa endangered, threatened and special concern plants (Iowa Admin. Code r. 571-77.3).
- Iowa: Iowa noxious weeds (Iowa Code § 317.1A).
- Kansas: Kansas noxious weeds (K.A.R. 4-8-44, as amended 2026).
- Kentucky: Kentucky endangered and threatened plant lists (400 KAR 3:040, eff. 2026).
- Kentucky: Kentucky noxious weeds and invasive plants on state rights-of-way (KRS 176.051; species list from the Kentucky Transportation Cabinet).
- North Carolina: North Carolina Protected Plant Species List (02 NCAC 48F .0301).
- North Carolina: North Carolina Noxious Weed List (02 NCAC 48A .1702) (the list names any non-native Lythrum; we apply it to purple loosestrife (Lythrum salicaria), which isn't native).
- Nebraska: Nebraska threatened and endangered species (163 Neb. Admin. Code ch. 4, § 004).
- Nebraska: Nebraska noxious weeds (25 Neb. Admin. Code ch. 10, § 001.02).
- Oregon: Oregon endangered and threatened plants (OAR 603-073-0070).
- Oregon: Oregon noxious weed quarantine, A and B weeds (OAR 603-052-1200).
- Wisconsin: Wisconsin endangered and threatened species list (Wis. Admin. Code NR 27.03).
- Wisconsin: Wisconsin invasive species rule (Wis. Admin. Code NR 40.04 prohibited, NR 40.05 restricted).
- Maryland: Maryland threatened and endangered plants (COMAR 08.03.08.05, .06 and .08).
- Maryland: Maryland Prohibited Invasive Plant List (COMAR 15.06.04.06; MDA, updated July 2026).
- Minnesota: Minnesota endangered, threatened and special concern plants (Minn. R. 6134.0300).
- Minnesota: Minnesota Noxious Weed List (Minn. Stat. § 18.79; Minnesota Department of Agriculture, updated January 2026).
- Oklahoma: Oklahoma Noxious Weed Law (2 O.S. § 3-220).
- Rhode Island: 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).
- Tennessee: Tennessee endangered plants (Tenn. Comp. R. & Regs. 0400-06-02-.04, Rare Plant Protection and Conservation Act).
- Tennessee: Tennessee Pest Plant List (Tenn. Comp. R. & Regs. 0080-06-24-.02).
- Vermont: Endangered and Threatened Plants of Vermont (10 V.S.A. chap. 123; list of Feb 10, 2022).
- Vermont: Vermont Quarantine List, Regulated Introduced Plant Species Rule (eff. June 16, 2026).
- USFWS, ECOS species database (ESA listing check), October 23, 2026.
- Edibility and toxicity: NC State Extension.
- Photo: Gabriel Campbell-Martinez via iNaturalist · CC BY 4.0 · resized.


