Pleasant weather, autumn foliage and vibrant seasonal displays are among the many delights awaiting nature lovers at botanical gardens and arboretums across the United States. In October, several of these green spaces add an extra layer of fun and imagination, transforming paths and plantings into themed environments that range from spooky to delightfully whimsical for visitors of all ages.
© Decanso Gardens
Carved! at Descanso Gardens
Descanso Gardens in the Los Angeles area hosts its popular Carved! event each October, offering a seasonally enchanting pumpkin showcase. This year’s installment runs Oct. 6–29 and features an expanded walking route with increased displays, illuminated jack-o’-lanterns, sculpted fallen-tree installations and imaginative pieces such as Lien Dekyvere’s glow-in-the-dark Rhizome in the Rose Garden Labyrinth. Visitors will also find giant carved pumpkins beneath the Rose Pavilion and an expanded Día de los Muertos ofrenda where guests can pause to reflect and remember loved ones. Family-friendly attractions like the pumpkin house, hay maze and a selection of fall food and drink complete the experience.
Fest-of-Ale at the Atlanta Botanical Garden
The Atlanta Botanical Garden’s Fest-of-Ale runs on select evenings through Oct. 28 and takes place on Thursdays, Fridays and Saturdays from 5–8 p.m. The festival spotlights eerie and creative installations by local artists, youth groups and crafters. Live music, roaming entertainers and festive treats set a lively tone, while a beer garden serves a rotating selection of craft brews. The event culminates with an entertaining pumpkin-carving contest that highlights the garden community’s skill and creativity.
© Decanso Gardens
Glow at the Gardens — Denver Botanic Gardens
The Denver Botanic Gardens presents its glowing autumn celebration Oct. 17–22 from 6–9 p.m., turning garden paths into illuminated spectacles featuring larger-than-life pumpkin sculptures and thousands of jack-o’-lanterns crafted from locally grown pumpkins. The after-dark trail includes spooky-themed live entertainment and artful displays designed to enchant visitors as they stroll through the landscapes.
The Night of 1,000 Jack-o’-Lanterns — Chicago Botanic Garden
The Chicago Botanic Garden lights up for The Night of 1,000 Jack-o’-Lanterns on Oct. 11–15 and Oct. 18–22, with evening hours from about 6:30–10:30 p.m. During the event, artist-carved pumpkins illuminate winding paths set against colorful autumn foliage. Costumed performers, live carving demonstrations and seasonal food and beverage options add to the festive atmosphere, making it a memorable fall outing for families and visitors alike.
Whether you seek dramatic night-time displays, family-friendly activities or culturally meaningful installations, botanical gardens around the country offer creative seasonal programming that pairs horticulture with Halloween-inspired spectacle. Enjoy crisp autumn air, vibrant plantings and imaginative artistry during these limited-run events—perfect for a festive fall visit.