Join us for the first Lilac Sunday since 2019! We’ll be celebrating 150 years of Arboretum history and 112 Lilac Sundays.

Experience the springtime bloom of our renowned collection of nearly 400 lilacs. Visit for tours with Arboretum experts, hands-on children’s programming, and more.

Learn more.

Named after Washington Allston—a visionary painter and 1800 Harvard graduate—the town of Allston features vibrant, eclectic art that reflects the neighborhood's creativity and diversity. On this self-guided tour, you'll discover "can't-miss" public art installations along Western Avenue and learn the stories behind them and their artists. Follow along to explore hand-painted murals, sky-high sculptures, 25-cent art prints, and more!

Tour Stops: 27
Tour Length: 1 hour (shorter routes included)
Tour Distance: Up to 2 miles...

Join us for a free, 90-minute walk through the Arboretum! Tour seasonal plant highlights and learn about Arboretum history from a trained docent. The walk is geared toward adults, and starts from the kiosk in front of the Hunnewell Building at 125 Arborway.

This tour is limited to 15 participants.

Learn more about and RSVP for this event.

Join us for a free, 90-minute walk through the Arboretum! Tour seasonal plant highlights and learn about Arboretum history from a trained docent. The walk is geared toward adults, and starts from the kiosk in front of the Hunnewell Building at 125 Arborway.

This tour is limited to 15 participants.

Learn more about and RSVP for this event.

Participate in the Arnold Arboretum’s 2021 Tournament of Trees! Get to know this year’s Sweet Sixteen contenders (March 3–9) and cast your votes in this fun bracket style tournament. Let the March Tree Madness games begin.

The tournament schedule is:

• Sweet Sixteen Round: March 3-9
• Elite Eight Round: March 10-16
• Final Four Round: March 17-23
• Championship Round: March 24-30
• Winner Announcement: April 1

Learn...

Winter is the barest of times in the Arboretum; however, there is much to see and much happening in the landscape. Join a docent for a walk on the bare side—notice shapes, textures, even the personalities of plants that are often missed when the land is heavy with green. You will see buds already forming and the dried seeds that are more visible when leaves are gone.

Learn...

Join the Arnold Arboretum for tours, family activities, and festivities inviting you to discover the diversity of the rose family (Rosaceae) which includes more than four thousand species. Many of the rose family taxa are of great importance to humans and the agricultural economy, and are vulnerable to extreme weather that is becoming the new norm. Come learn more about the many fruits of the rose family, a welcome buffet for our local wildlife.

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