Company lists · Data refreshed September 2026
Top 25 Arboretums based in the United States
RevenueBase identified 99 arboretums headquartered in the United States as of September 2026 and tracks 5,050 professional contacts across them, including 1,888 with verified work emails. Boston is the largest hub.
This list covers arboretums headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest arboretums based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 616 contacts → | ||||
Indirect evidence “The New York Botanical Garden has been a connective hub among people, plants, and the planet since 1891.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 540 contacts → | ||||
Indirect evidence “In 1906, industrialist Pierre du Pont (1870-1954) purchased a small farm near Kennett Square, PA, to save a collection of historic trees from being sold for lumber.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 516 contacts → | ||||
Indirect evidence “Founded in 1859 by philanthropist Henry Shaw, the Missouri Botanical Garden is one of the nation's oldest botanical gardens in continuous operation and a National Historic…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 382 contacts → | ||||
Strong evidence “The Morton Arboretum is an internationally-recognized botanical garden and tree research center in Lisle, Illinois.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 304 contacts → | ||||
Indirect evidence “Celebrating it's 75th anniversary in 2026, Denver Botanic Gardens is considered one of the top botanical gardens in the United States and a pioneer in water conservation.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 247 contacts → | ||||
Indirect evidence “The Atlanta Botanical Garden is among the top tier of cultural attractions in Atlanta and Gainesville, Georgia.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 156 contacts → | ||||
Strong evidence “Holden Forests & Gardens is made up of two of Northeast Ohio’s most important environmental and cultural institutions, the Holden Arboretum and Cleveland Botanical Garden, whose…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 134 contacts → | ||||
Indirect evidence “Gilroy Gardens Family Theme Park is a 501(c)(3) nonprofit corporation and California’s only horticultural theme park.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 112 contacts → | ||||
Indirect evidence “Enjoy the captivating beauty of Fort Worth Botanic Garden (FWBG) and Botanical Research Institute of Texas (BRIT), one of the largest centers for botanical exploration and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 88 contacts → | ||||
Indirect evidence “The University of Texas at Austin's Lady Bird Johnson Wildflower Center inspires the conservation of native plants through its gardens and education, research and outreach…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 77 contacts → | ||||
Indirect evidence “The 118-acre Huntsville Botanical Garden is open year-round and contains a diverse ecosystem of meadows, upland and bottomland forest, and wetlands, as well as a variety of…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 72 contacts → | ||||
Indirect evidence “Mt.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 71 contacts → | ||||
Indirect evidence “New England Botanic Garden at Tower Hill is the home of the Worcester County Horticultural Society, the third oldest organization of its kind in the country.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 68 contacts → | ||||
Strong evidence “The North Carolina Arboretum in Asheville, N.C, works to advance the state's future by creatively connecting people, plants and places through education, design and economic…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 62 contacts → | ||||
Indirect evidence “Descanso Gardens is an urban retreat of year-round natural beauty, internationally renowned botanical collections and spectacular seasonal horticultural displays.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 60 contacts → | ||||
Indirect evidence “Established in 1970, San Diego Botanic Garden (SDBG) is a 37-acre urban oasis located in the city of Encinitas, in north San Diego County.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 60 contacts → | ||||
Strong evidence “At The Dawes Arboretum we share our love and knowledge of trees with our community in Licking County, just 30 miles east of Columbus, Ohio.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 50 contacts → | ||||
Indirect evidence “Lotusland is recognized as one of the most breathtaking public gardens in the world.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 48 contacts → | ||||
Indirect evidence “The Idaho Botanical Garden is a private, non-profit corporation existing without state or federal funding.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 43 contacts → | ||||
Indirect evidence “National Tropical Botanical Garden is dedicated to preserving tropical plant diversity and stemming the tide of extinction - through plant exploration, propagation, habitat…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 38 contacts → | ||||
Indirect evidence “Pittsburgh Botanic Garden inspires people to value plants, garden design and the natural world by cultivating plant collections of the Allegheny Plateau and temperate regions…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 33 contacts → | ||||
Indirect evidence “Buffalo and Erie County Botanical Gardens welcomes the public to enjoy our living plant collections and breathtaking conservatory.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 29 contacts → | ||||
Indirect evidence “Since 1962, Birmingham Botanical Gardens has welcomed visitors from across the region and around the world to explore the Gardens' botanical treasures; enjoy nature; and learn…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 24 contacts → | ||||
Indirect evidence “Tulsa Botanic Garden is developing on a 170-acre site just 8 miles northwest of downtown Tulsa, Oklahoma.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 23 contacts → | ||||
Indirect evidence “One of the World’s Great Botanical Gardens'' Travel + Leisure;''One of the Top 22 Secret Gardens in the U.S.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: arboretums. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names arboretums.
- Partial evidence
- Its own public description names part of arboretums, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name arboretums. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 99 arboretums based in the United States
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Arboretums based in the United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 99 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among arboretums, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “arboretums”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names arboretums), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among arboretums, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 1,888 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names arboretums, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many arboretums are there based in the United States?
RevenueBase identified 99 arboretums headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
NEW York Botanical Garden, headquartered in Bronx, tops this list with the largest team on record.
Which city has the most arboretums?
Boston leads with 2 headquartered companies, followed by Denver (2) and Fort Worth (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,888 verified decision-maker contacts tracked across these 99 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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