Northern catalpa
Catalpa speciosa (Warder ex Barney) Warder ex Engelm.
Northern catalpa in all of Ohio- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Class
- Magnoliopsida
- Order
- Lamiales
- Family
- Bignoniaceae
- Genus
- Catalpa
Introduced and invasive status
Introduced in Ohio: iNaturalist (opens in a new tab)
iNaturalist's volunteer curators list it as introduced in their Ohio checklist.
Range
Where it is recorded
Season shown in 0 of Ohio's 88 counties. Explore Ohio
- No result yet (36)
- Recorded, too few records for a result (47)
- Recorded, season not shown (5)
- Season shown (0)
Counties as a table
| County | Records |
|---|---|
| Adams County | No qualifying records yet |
| Allen County | Recorded, too few records for a result |
| Ashland County | No qualifying records yet |
| Ashtabula County | No qualifying records yet |
| Athens County | Recorded, too few records for a result |
| Auglaize County | No qualifying records yet |
| Belmont County | Recorded, too few records for a result |
| Brown County | No qualifying records yet |
| Butler County | 36 · Recorded, season not shown |
| Carroll County | No qualifying records yet |
| Champaign County | No qualifying records yet |
| Clark County | No qualifying records yet |
| Clermont County | Recorded, too few records for a result |
| Clinton County | Recorded, too few records for a result |
| Columbiana County | Recorded, too few records for a result |
| Coshocton County | No qualifying records yet |
| Crawford County | No qualifying records yet |
| Cuyahoga County | 55 · Recorded, season not shown |
| Darke County | Recorded, too few records for a result |
| Defiance County | Recorded, too few records for a result |
| Delaware County | Recorded, too few records for a result |
| Erie County | Recorded, too few records for a result |
| Fairfield County | Recorded, too few records for a result |
| Fayette County | No qualifying records yet |
| Franklin County | 52 · Recorded, season not shown |
| Fulton County | Recorded, too few records for a result |
| Gallia County | No qualifying records yet |
| Geauga County | Recorded, too few records for a result |
| Greene County | Recorded, too few records for a result |
| Guernsey County | No qualifying records yet |
| Hamilton County | 98 · Recorded, season not shown |
| Hancock County | Recorded, too few records for a result |
| Hardin County | Recorded, too few records for a result |
| Harrison County | No qualifying records yet |
| Henry County | No qualifying records yet |
| Highland County | No qualifying records yet |
| Hocking County | Recorded, too few records for a result |
| Holmes County | No qualifying records yet |
| Huron County | No qualifying records yet |
| Jackson County | Recorded, too few records for a result |
| Jefferson County | Recorded, too few records for a result |
| Knox County | No qualifying records yet |
| Lake County | Recorded, too few records for a result |
| Lawrence County | No qualifying records yet |
| Licking County | Recorded, too few records for a result |
| Logan County | Recorded, too few records for a result |
| Lorain County | Recorded, too few records for a result |
| Lucas County | Recorded, too few records for a result |
| Madison County | Recorded, too few records for a result |
| Mahoning County | Recorded, too few records for a result |
| Marion County | No qualifying records yet |
| Medina County | Recorded, too few records for a result |
| Meigs County | No qualifying records yet |
| Mercer County | No qualifying records yet |
| Miami County | Recorded, too few records for a result |
| Monroe County | No qualifying records yet |
| Montgomery County | Recorded, too few records for a result |
| Morgan County | No qualifying records yet |
| Morrow County | No qualifying records yet |
| Muskingum County | Recorded, too few records for a result |
| Noble County | Recorded, too few records for a result |
| Ottawa County | No qualifying records yet |
| Paulding County | Recorded, too few records for a result |
| Perry County | No qualifying records yet |
| Pickaway County | Recorded, too few records for a result |
| Pike County | No qualifying records yet |
| Portage County | Recorded, too few records for a result |
| Preble County | Recorded, too few records for a result |
| Putnam County | No qualifying records yet |
| Richland County | Recorded, too few records for a result |
| Ross County | Recorded, too few records for a result |
| Sandusky County | Recorded, too few records for a result |
| Scioto County | No qualifying records yet |
| Seneca County | Recorded, too few records for a result |
| Shelby County | No qualifying records yet |
| Stark County | Recorded, too few records for a result |
| Summit County | 41 · Recorded, season not shown |
| Trumbull County | Recorded, too few records for a result |
| Tuscarawas County | Recorded, too few records for a result |
| Union County | Recorded, too few records for a result |
| Van Wert County | No qualifying records yet |
| Vinton County | No qualifying records yet |
| Warren County | Recorded, too few records for a result |
| Washington County | Recorded, too few records for a result |
| Wayne County | Recorded, too few records for a result |
| Williams County | No qualifying records yet |
| Wood County | Recorded, too few records for a result |
| Wyandot County | No qualifying records yet |
No mapped range from the range source used, the USGS Gap Analysis Project, which maps land vertebrates only.
Season
When it is recorded
In Butler County
Not enough evidence
Records per week from 36 records in 7 of the 10 years from 2016 to 2025. Shows when people recorded it, not a season or how common it is.
Show as a table
| Week | Records of northern catalpa | Years recorded | Records of all species |
|---|---|---|---|
| Jan 4–10 | 0 | 0 | 59 |
| Jan 11–17 | 0 | 0 | 104 |
| Jan 18–24 | 0 | 0 | 111 |
| Jan 25–31 | 0 | 0 | 54 |
| Feb 1–7 | 0 | 0 | 62 |
| Feb 8–14 | 0 | 0 | 59 |
| Feb 15–21 | 0 | 0 | 70 |
| Feb 22–28 | 0 | 0 | 117 |
| Mar 1–7 | 0 | 0 | 221 |
| Mar 8–14 | 0 | 0 | 224 |
| Mar 15–21 | 0 | 0 | 250 |
| Mar 22–28 | 0 | 0 | 250 |
| Mar 29 – Apr 4 | 0 | 0 | 464 |
| Apr 5–11 | 0 | 0 | 681 |
| Apr 12–18 | 0 | 0 | 911 |
| Apr 19–25 | 0 | 0 | 1,134 |
| Apr 26 – May 2 | 0 | 0 | 1,163 |
| May 3–9 | 0 | 0 | 1,117 |
| May 10–16 | 0 | 0 | 724 |
| May 17–23 | 1 | 1 | 681 |
| May 24–30 | 0 | 0 | 518 |
| May 31 – Jun 6 | 2 | 2 | 531 |
| Jun 7–13 | 0 | 0 | 605 |
| Jun 14–20 | 1 | 1 | 566 |
| Jun 21–27 | 0 | 0 | 545 |
| Jun 28 – Jul 4 | 1 | 1 | 622 |
| Jul 5–11 | 0 | 0 | 580 |
| Jul 12–18 | 0 | 0 | 658 |
| Jul 19–25 | 0 | 0 | 618 |
| Jul 26 – Aug 1 | 0 | 0 | 664 |
| Aug 2–8 | 0 | 0 | 710 |
| Aug 9–15 | 0 | 0 | 555 |
| Aug 16–22 | 0 | 0 | 856 |
| Aug 23–29 | 2 | 2 | 1,185 |
| Aug 30 – Sep 5 | 2 | 2 | 2,105 |
| Sep 6–12 | 1 | 1 | 2,341 |
| Sep 13–19 | 0 | 0 | 1,284 |
| Sep 20–26 | 8 | 2 | 1,693 |
| Sep 27 – Oct 3 | 4 | 1 | 1,744 |
| Oct 4–10 | 1 | 1 | 1,330 |
| Oct 11–17 | 5 | 4 | 1,154 |
| Oct 18–24 | 3 | 1 | 745 |
| Oct 25–31 | 4 | 2 | 955 |
| Nov 1–7 | 0 | 0 | 261 |
| Nov 8–14 | 1 | 1 | 265 |
| Nov 15–21 | 0 | 0 | 197 |
| Nov 22–28 | 0 | 0 | 187 |
| Nov 29 – Dec 5 | 0 | 0 | 103 |
| Dec 6–12 | 0 | 0 | 173 |
| Dec 13–19 | 0 | 0 | 84 |
| Dec 20–26 | 0 | 0 | 89 |
| Dec 27 – Jan 2 | 0 | 0 | 106 |
Reported in flower
Only 3 records here show flowers, too few to show a flowering season. One needs at least 20 records from 5 different years.
Reported in fruit
No records here show fruit yet, so there is no fruiting season to show. One needs at least 20 records from 5 different years.
In Ohio
Mid-May to early August, middle week mid-June, and again late August to early November, middle week late September
Recorded in two separate seasons, each shown with its own early, middle and late weeks.
Records per week from 624 records in 10 of the 10 years from 2016 to 2025. Shows when people recorded it, not a season or how common it is.
Show as a table
| Week | Records of northern catalpa | Years recorded | Records of all species |
|---|---|---|---|
| Jan 4–10 | 0 | 0 | 6,211 |
| Jan 11–17 | 0 | 0 | 5,146 |
| Jan 18–24 | 0 | 0 | 4,645 |
| Jan 25–31 | 1 | 1 | 4,698 |
| Feb 1–7 | 2 | 2 | 6,023 |
| Feb 8–14 | 1 | 1 | 5,888 |
| Feb 15–21 | 1 | 1 | 5,436 |
| Feb 22–28 | 0 | 0 | 6,846 |
| Mar 1–7 | 1 | 1 | 8,321 |
| Mar 8–14 | 1 | 1 | 10,384 |
| Mar 15–21 | 0 | 0 | 12,620 |
| Mar 22–28 | 0 | 0 | 13,949 |
| Mar 29 – Apr 4 | 0 | 0 | 19,661 |
| Apr 5–11 | 0 | 0 | 26,860 |
| Apr 12–18 | 0 | 0 | 39,925 |
| Apr 19–25 | 0 | 0 | 41,623 |
| Apr 26 – May 2 | 3 | 3 | 56,391 |
| May 3–9 | 0 | 0 | 52,952 |
| May 10–16 | 0 | 0 | 53,785 |
| May 17–23 | 12 | 4 | 57,698 |
| May 24–30 | 19 | 8 | 54,651 |
| May 31 – Jun 6 | 46 | 8 | 53,099 |
| Jun 7–13 | 53 | 8 | 53,700 |
| Jun 14–20 | 58 | 8 | 56,625 |
| Jun 21–27 | 35 | 9 | 55,361 |
| Jun 28 – Jul 4 | 23 | 8 | 58,477 |
| Jul 5–11 | 13 | 7 | 61,336 |
| Jul 12–18 | 12 | 6 | 64,722 |
| Jul 19–25 | 18 | 6 | 69,753 |
| Jul 26 – Aug 1 | 19 | 7 | 59,416 |
| Aug 2–8 | 11 | 6 | 59,712 |
| Aug 9–15 | 7 | 3 | 55,994 |
| Aug 16–22 | 12 | 7 | 54,328 |
| Aug 23–29 | 13 | 5 | 51,772 |
| Aug 30 – Sep 5 | 27 | 8 | 57,167 |
| Sep 6–12 | 19 | 7 | 59,075 |
| Sep 13–19 | 20 | 9 | 54,543 |
| Sep 20–26 | 21 | 8 | 45,860 |
| Sep 27 – Oct 3 | 37 | 9 | 43,180 |
| Oct 4–10 | 29 | 8 | 37,841 |
| Oct 11–17 | 34 | 7 | 30,824 |
| Oct 18–24 | 18 | 7 | 21,156 |
| Oct 25–31 | 22 | 8 | 19,021 |
| Nov 1–7 | 17 | 7 | 14,172 |
| Nov 8–14 | 15 | 4 | 12,621 |
| Nov 15–21 | 3 | 2 | 7,965 |
| Nov 22–28 | 0 | 0 | 8,136 |
| Nov 29 – Dec 5 | 0 | 0 | 6,083 |
| Dec 6–12 | 0 | 0 | 6,004 |
| Dec 13–19 | 1 | 1 | 5,423 |
| Dec 20–26 | 0 | 0 | 5,661 |
| Dec 27 – Jan 2 | 0 | 0 | 8,459 |
Reported in flower
No flowering season shown here. Most records come from a single year, so a season is not shown yet.
Reported in fruit
Only 7 records here show fruit, too few to show a fruiting season. One needs at least 20 records from 5 different years.
What these results show
These results show when people recorded a species, not when or where it occurs. Missing weeks and low counts do not mean absence or scarcity, and counts are not abundance. Contributed records reflect where, when and what people chose to observe.
Identification
How to identify it
Often confused with
- princess tree Paulownia tomentosa86 identifications worldwide named one where the other was meant
- basswood Tilia americana67 identifications worldwide named one where the other was meant
- eastern redbud Cercis canadensis32 identifications worldwide named one where the other was meant
- Swamp Cottonwood Populus heterophylla32 identifications worldwide named one where the other was meant
- Callery pear Pyrus calleryana21 identifications worldwide named one where the other was meant
From iNaturalist’s similar-species counts, refreshed monthly: confusions in Ohio first, then worldwide. Only species with an Ohio result are listed.
Land cover where it is recorded
| Land cover | Its recordsAll Ohio records |
|---|---|
| Developed | 74%49% |
| Forest | 15%31% |
| Farmland | 5%11% |
| Wetland | 4%5% |
| Barren | 2%0.6% |
| Open water | 0.5%3% |
From 412 records placed within 100 m, beside all Ohio records placed the same way. People record where they go, so this shows where records come from, not where the species lives. Land cover: USGS Annual NLCD, 2025 (opens in a new tab)
Sources
Where these results come from
- Records from iNaturalist research-grade observations and expert-identified GBIF datasets, CC0, CC BY and CC BY-NC. Sources
- Seasons use the published method and its evidence thresholds. Methods
- See it on iNaturalist (opens in a new tab)OpenPhenology is independent and not affiliated with iNaturalist.
Records behind the Ohio result
624 records from 2 datasets.
- iNaturalist Research-grade Observations (opens in a new tab) · iNaturalist.org · 621 recordsiNaturalist contributors, iNaturalist (2026). iNaturalist Research-grade Observations. iNaturalist.org. Occurrence dataset https://doi.org/10.15468/ab3s5x accessed via GBIF.org on 2026-11-13.
- iNaturalist observations (opens in a new tab) · iNaturalist.org · 3 recordsiNaturalist. Available from https://www.inaturalist.org. Accessed 2026-11-13
To cite: the GBIF download doi:10.15468/dl.y2jkt8 (opens in a new tab).
A spreadsheet (CSV) with a link to each record, on iNaturalist or GBIF. Records whose location was hidden by the observer or the source are counted but not linked.