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Halloween in Roslindale and Hyde Park is a mixed bag of early-morning music, botanic spookiness, lantern-lit wanderings, and neighborhood traditions. While trick-or-treating remains a staple, 2026 brings a few standout local events that make October 31 more than just a night of costumes and candy.

Start Early: Morning Celebrations in Adams Park
Kicking off Halloween, families can catch the Dia de los Muertos performance by Tierra del Sol at Adams Park in Roslindale Village from 9:30 to 10:30 AM. Presented by Rozzie Bound, the event blends seasonal celebration with colorful Latin American tradition, think music, dance, and a welcoming community atmosphere. Right after, the Roslindale Farmers Market is in full swing until 1:30 PM. Many vendors lean into the season, so expect fall produce, pumpkins, and some low-key costuming among stalls.

Halloween Afternoon: Wicked Plants at Arnold Arboretum
From noon to 3 PM, the Arnold Arboretum’s Wicked Plants: A Botanical Halloween invites visitors of all ages to explore some of the world’s most infamous flora. Located on the Hunnewell Lawn, this free event mixes campy botanical history with hands-on science and a live reading at 1 PM. It’s a family-friendly way to slip in a little spooky learning on the big day, and, for those with kids, lets you celebrate before night falls.

Nights Under the Lanterns at Franklin Park Zoo
Franklin Park Zoo’s Boston Lights: A Lantern Experience isn’t strictly Halloween-themed, but with nearly 100-foot-long tunnels of lanterns glowing from dusk to late (5 to 10:30 PM every night through November 8), it provides a surreal backdrop for an October date or group outing. Keep in mind, this one’s more enchanted than eerie, so it’s a good choice for those looking to wind down after trick-or-treat or simply extend the season’s color and light.

For Adults: Costume Parties and Later Evenings
While public events lean family-friendly, adults often host private parties, horror movie marathons, or low-key gatherings once the streets clear. Roslindale’s local cannabis shop, City Farm Roslindale Cannabis Dispensary, stocks THC preroll packs and vape cartridges, like a hybrid shareable pack or Champagne Cookies vape. If your evening plans call for unwinding after the festivities, these choices can round out a night with friends.