
Flowering shrub
Border forsythia
Forsythia × intermedia
Border forsythia is a popular flowering shrub. It's on our flower lists for 42 states, and across the U.S. it's most often seen in bloom in February–April.
*iNaturalist research-grade observations, as of October 23, 2026. Planted garden shrubs are mostly excluded from research grade.
On our lists for: Alabama, Arkansas, California, Colorado, Connecticut, Delaware, Georgia, Idaho, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin
Quick look
Forsythia × intermedia, or border forsythia, is an ornamental deciduous shrub of garden origin.
- It belongs to the Oleaceae family. iNaturalist
- In Pennsylvania, most iNaturalist sightings of it in flower come in March–December. iNaturalist
- iNaturalist has 205 research-grade sightings of it in New York, ranking #123 among the 193 flowers on our New York list. iNaturalist
- iNaturalist has 144 research-grade sightings of it in Pennsylvania, ranking #123 among the 190 flowers on our Pennsylvania list. iNaturalist
- iNaturalist has 119 research-grade sightings of it in New Jersey, ranking #113 among the 186 flowers on our New Jersey list. iNaturalist
Border forsythia gift ideas
Handmade border forsythia 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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Border forsythia art print
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Border forsythia greeting card
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Border forsythia mug
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Border forsythia earrings
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Border forsythia embroidery pattern
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Border forsythia sticker
When does it bloom?
Bloom time in each of our 42 states
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| New York | 🌷 Garden | few records | 205 |
| Pennsylvania | 🌷 Garden | March–December | 144 |
| New Jersey | 🌷 Garden | few records | 119 |
| Maryland | 🌷 Garden | few records | 83 |
| Virginia | 🌷 Garden | few records | 76 |
| Massachusetts | 🌷 Garden | few records | 72 |
| Washington | 🌷 Garden | few records | 41 |
| North Carolina | 🌷 Garden | few records | 29 |
| Michigan | 🌷 Garden | March–May | 24 |
| Wisconsin | 🌷 Garden | few records | 24 |
| Georgia | 🌷 Garden | few records | 23 |
| Ohio | 🌷 Garden | few records | 23 |
| West Virginia | 🌷 Garden | few records | 19 |
| Tennessee | 🌷 Garden | few records | 17 |
| Connecticut | 🌷 Garden | few records | 14 |
| New Hampshire | 🌷 Garden | few records | 12 |
| Delaware | 🌷 Garden | few records | 10 |
| Illinois | 🌷 Garden | few records | 9 |
| Indiana | 🌷 Garden | few records | 9 |
| Kentucky | 🌷 Garden | few records | 9 |
| Alabama | 🌷 Garden | few records | 7 |
| Missouri | 🌷 Garden | few records | 5 |
| Oregon | 🌷 Garden | few records | 5 |
| Vermont | 🌷 Garden | few records | 5 |
| Maine | 🌷 Garden | few records | 3 |
| South Carolina | 🌷 Garden | few records | 3 |
| Arkansas | 🌷 Garden | few records | 2 |
| Nebraska | 🌷 Garden | few records | 2 |
| Rhode Island | 🌷 Garden | few records | 2 |
| California | 🌷 Garden | few records | 1 |
| Colorado | 🌷 Garden | few records | 1 |
| Idaho | 🌷 Garden | few records | 1 |
| Louisiana | 🌷 Garden | few records | 1 |
| Minnesota | 🌷 Garden | few records | 1 |
| Iowa | 🌷 Garden | few records | 0 |
| Mississippi | 🌷 Garden | few records | 0 |
| Montana | 🌷 Garden | few records | 0 |
| New Mexico | 🌷 Garden | few records | 0 |
| Nevada | 🌷 Garden | few records | 0 |
| Oklahoma | 🌷 Garden | few records | 0 |
| Texas | 🌷 Garden | few records | 0 |
| Utah | 🌷 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
- New York
- n/a New York's list is by species, so a whole genus isn't assessed. 6 NYCRR § 193.3
- Pennsylvania
- n/a Pennsylvania's list is by species, so a whole genus isn't assessed. 17 Pa. Code Ch. 45
- New Jersey
- n/a New Jersey's list is by species, so a whole genus isn't assessed. N.J.A.C. 7:5C-5.1
- Maryland
- n/a Maryland's list is by species, so a whole genus isn't assessed. COMAR 08.03.08
- Virginia
- n/a Virginia's list is by species, so a whole genus isn't assessed. 2VAC5-320-10
- Massachusetts
- n/a Massachusetts's list is by species, so a whole genus isn't assessed. 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.
- North Carolina
- n/a North Carolina's list is by species, so a whole genus isn't assessed. 02 NCAC 48F .0301
- Michigan
- n/a Michigan's list is by species, so a whole genus isn't assessed. R 299.1028
- Wisconsin
- n/a Wisconsin's list is by species, so a whole genus isn't assessed. NR 27.03
- Georgia
- n/a Georgia's list is by species, so a whole genus isn't assessed. Ga. R. 391-4-10-.09
- Ohio
- n/a Ohio's list is by species, so a whole genus isn't assessed. OAC 1501:18-1-03
- 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.
- Tennessee
- n/a Tennessee's list is by species, so a whole genus isn't assessed. TN rule 0400-06-02-.04
- Connecticut
- n/a Connecticut's list is by species, so a whole genus isn't assessed. CT E/T/SC list
- New Hampshire
- n/a New Hampshire's list is by species, so a whole genus isn't assessed. NH Ncr 312
- Delaware
- n/a Delaware's list is by species, so a whole genus isn't assessed. DE rare plants 2024
- Illinois
- n/a Illinois's list is by species, so a whole genus isn't assessed. 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.
- Kentucky
- n/a Kentucky's list is by species, so a whole genus isn't assessed. 400 KAR 3:040
- Alabama
- No list Alabama has no state law listing endangered or threatened plants, so we show NatureServe's Alabama ranks instead.
- Missouri
- n/a Missouri's list is by species, so a whole genus isn't assessed. 3 CSR 10-4.111
- Oregon
- n/a Oregon's list is by species, so a whole genus isn't assessed. OAR 603-073-0070
- Vermont
- n/a Vermont's list is by species, so a whole genus isn't assessed. Vermont E&T list
- Maine
- n/a Maine's list is by species, so a whole genus isn't assessed. Maine rare plant list
- South Carolina
- No list South Carolina has no state law listing endangered or threatened plants, so we show NatureServe's South Carolina ranks instead.
- Arkansas
- No list Arkansas has no state law listing endangered or threatened plants, so we show NatureServe's Arkansas ranks instead.
- Nebraska
- n/a Nebraska's list is by species, so a whole genus isn't assessed. 163 NAC 4-004
- Rhode Island
- n/a Rhode Island's list is by species, so a whole genus isn't assessed. RI rare plants 2016
- California
- n/a California's list is by species, so a whole genus isn't assessed. CNDDB listed plants (July 2026)
- Colorado
- No list Colorado has no state law listing endangered or threatened plants, so we show NatureServe's Colorado ranks instead.
- Idaho
- No list Idaho has no state law listing endangered or threatened plants, so we show NatureServe's Idaho 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.
- Minnesota
- n/a Minnesota's list is by species, so a whole genus isn't assessed. Minn. R. 6134.0300
- Iowa
- n/a Iowa's list is by species, so a whole genus isn't assessed. IAC 571-77.3
- Mississippi
- No list Mississippi has no state law listing endangered or threatened plants, so we show NatureServe's Mississippi ranks instead.
- Montana
- No list Montana has no state law listing endangered or threatened plants, so we show NatureServe's Montana ranks instead.
- New Mexico
- n/a New Mexico's list is by species, so a whole genus isn't assessed. 19.21.2.9 NMAC
- Nevada
- n/a Nevada's list is by species, so a whole genus isn't assessed. NAC 527.010
- Oklahoma
- No list Oklahoma has no state law listing endangered or threatened plants, so we show NatureServe's Oklahoma ranks instead.
- Texas
- n/a Texas's list is by species, so a whole genus isn't assessed. 31 TAC 69.8
- Utah
- No list Utah has no state law listing endangered or threatened plants, so we show NatureServe's Utah ranks instead.
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 page for this plant)) say whether it's edible or poisonous for people.
It isn't on the ASPCA plant list.
🌿 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 New York flowers
Sources
- USDA PLANTS: no profile matched this name.
- iNaturalist, Forsythia × intermedia: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 23, 2026.
- Wikipedia, Forsythia × intermedia (lead quoted under CC BY-SA 4.0).
- New York: New York protected native plants (6 NYCRR § 193.3).
- New York: New York prohibited and regulated invasive species (6 NYCRR Part 575).
- 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 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).
- 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).
- Virginia: Virginia endangered and threatened plant and insect species (2VAC5-320-10).
- Virginia: Virginia noxious weeds (2VAC5-317-20, Tier 1, 2 and 3).
- 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).
- 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).
- 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.
- 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).
- Georgia: Georgia protected plants (Ga. Comp. R. & Regs. 391-4-10-.09; a 2026 update is proposed).
- 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).
- West Virginia: West Virginia noxious weeds (W. Va. Code R. § 61-14A-5) (the rule abbreviates some names (e.g. “P. cuspidatum”); we expand them to match).
- 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).
- Connecticut: Connecticut Endangered, Threatened and Special Concern Plants (RCSA 26-306; 2015 list).
- Connecticut: Connecticut prohibited invasive plants (Conn. Gen. Stat. § 22a-381d).
- 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).
- Delaware: Rare and Uncommon Plants of Delaware (DNREC, 2024; informational, Delaware has no state plant-protection list).
- Delaware: Delaware Invasive Plant List (3 Del. Admin. Code § 806-3.0).
- 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).
- 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).
- Alabama: Alabama noxious weeds (Ala. Admin. Code r. 80-10-14-.04).
- Missouri: Missouri Wildlife Code endangered species (3 CSR 10-4.111), plants.
- Missouri: Missouri noxious weed list (2 CSR 70-45.005).
- Oregon: Oregon endangered and threatened plants (OAR 603-073-0070).
- Oregon: Oregon noxious weed quarantine, A and B weeds (OAR 603-052-1200).
- 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).
- 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).
- South Carolina: South Carolina State Plant Pest List, plants (S.C. Code Regs. 27-135; Clemson Dept. of Plant Industry).
- Arkansas: Arkansas State Plant Board noxious weeds and prohibited plants (2 CAR § 50-101).
- 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).
- 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).
- California: California state-listed endangered, threatened and rare plants (14 CCR § 670.2), per CDFW's CNDDB list (July 2026).
- California: California noxious weed species (3 CCR § 4500).
- Colorado: Colorado noxious weed lists A, B and C (8 CCR 1206-2, eff. May 15, 2025).
- Idaho: Idaho noxious weeds (IDAPA 02.06.09, Section 220).
- 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).
- Iowa: Iowa endangered, threatened and special concern plants (Iowa Admin. Code r. 571-77.3).
- Iowa: Iowa noxious weeds (Iowa Code § 317.1A).
- Mississippi: Mississippi Noxious Weed List (2 Miss. Code R. 1-3-01-136.01).
- Montana: Montana noxious weed list (Admin. R. Mont. 4.5.206–4.5.210).
- New Mexico: New Mexico state endangered plant species (19.21.2.9 NMAC).
- New Mexico: New Mexico Noxious Weed List (NM Department of Agriculture, updated June 2020).
- Nevada: Nevada fully protected plants, critically endangered (NAC 527.010).
- Nevada: Nevada noxious weeds (NAC 555.010).
- Oklahoma: Oklahoma Noxious Weed Law (2 O.S. § 3-220).
- Texas: Texas endangered and threatened plants (31 Tex. Admin. Code § 69.8), as listed by Texas Parks and Wildlife.
- Texas: Texas noxious and invasive plant list (4 Tex. Admin. Code § 19.300(a)).
- Utah: Utah noxious weed list (Utah Admin. Code R68-9-3).
- USFWS, ECOS species database (ESA listing check), October 23, 2026.
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: Ana Ka'ahanui via iNaturalist · CC BY 4.0 · resized.


