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1927 Map of the Arboretum

Plan a Visit

A docent-led theme tour in the Arboretum. Jeff Blackwell
Docent Chris McArdle leads an Arboretum theme tour

Visitor Info

Welcome to the Arnold Arboretum. Our 281-acre landscape featuring over 16,000 accessioned plants is open daily and free for all to explore. Whether coming for a stroll, on the look out for wildlife, or interested in learning the stories and science behind our plants, we have something for everyone. Explore our virtual walks, guided tours, Expeditions mobile app, and digital learning resources. If you're visiting with kids, check out a variety of self-guided family activities. Not sure where to start? Our visitor center staff is here to help.


Directions & Parking

You can get to the Arboretum by subway, bus, or car. Currently, the City of Boston and Commonwealth of Massachusetts have reduced public parking along the perimeter of the Arnold Arboretum to marked, handicap parking only. Get directions to our main entrance at Arborway Gate, Peters Hill, Weld Hill Building, or Dana Greenhouses.

Hours & Admissions

The Arboretum landscape is free and open every day. The visitor center is closed until further notice due to COVID-19.

Landscape Hours
Visitor Center Hours
Currently Closed
Always Free

Visitor Guidelines

Read about the Arboretum’s response to COVID-19 and safety guidelines for visiting here. Consider avoiding the following hours of peak visitation, 4pm-7pm on weekdays and 2pm-7pm on weekends. While here, we ask that you respect each other and the landscape. Read our visitor tips and guidelines to learn about bringing your dog, hosting events, riding your bike, and more so you can plan your best visit. Please see our tick warning.

1927 Map of the Arboretum
Accession Number
The alpha-numeric value assigned to a plant when it is added to the living collection as a way of identifying it.
Accession Date
The year the plant’s accession number was assigned.
Common Name
The non-scientific name for the plant.
Scientific Name
The scientific name describes the species of an organism. The first word is the plant's scientific genus and the second is the specific epithet. This two-word binomial is sometimes followed by other taxonomic descriptors, including subspecies (denoted by "ssp."), variety (denoted by "var."), form (denoted by "f." or "forma"), and cultivar (denoted by single quotation marks).
Plant Family
The family to which the plant belongs.
Propagation Material
The first part (material code) describes the material used to create the plant. The most common codes are "SD" (seed), "EX" (existing plant), "PT" (plant), "CT" (cutting), "SC" (scion), "SG" (seedling), and "GR" (graft). The second part describes the lineage the plant is derived from. The last part describes the year of propagation.
Collection Data
The first part indicates provenance (place or source of origin) using a letter code ("W" = wild, "G" = garden, "Z" = indirect wild, "U" = uncertain). The second part lists the plant source. For wild-collected material, the collector, collection number, and country are given.
The location of the plant on the landscape.
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Metasequoia glyptostroboides
SD - LINEAGE 524-48 - 1948
Dawn Redwood


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Visiting with Kids

Explore more family activities

Everyday Nature Tasks offer nature enthusiasts of all ages an opportunity to explore the outdoors through simple, varied, and open-ended tasks related to plants, wildlife, and more!

Grandmother and child at tree