Here's your list of Christmas holiday events at some of your favorite botanical gardens for 2025.

Here’s your nationwide roundup for December 2025 garden‑related activities—botanical garden winter illuminations and Cooperative Extension programs lighting up the season. Crisp, clear, and across the map.

Botanical Garden Winter Lights & Holiday Events

• Galaxy of Lights – Huntsville Botanical Garden (AL)
  A 30th‑year winter spectacular: Walking Nights Nov 14–30 (excluding Thanksgiving), Dec 3–6, Dec 17–27; Driving Nights Dec 7–16 & Dec 28–31; plus Dog Nights, 5K and Fun Run events. enych.cce.cornell.edu+1Huntsville Botanical Garden

• Garden of Lights – Brookside Gardens (MD)
  Illuminated pathways from Nov 21, 2025 to Jan 4, 2026, nightly 5 pm–9 pm (closed Nov 24–27, Dec 24–25, Jan 1). Wikipedia+3Montgomery Parks+3Tulsa Botanic Garden+3

• Garden d’Lights – Bellevue Botanical Garden (WA)
  Family-friendly light show from Sat, Nov 29 to Wed, Dec 31, 2025. Wikipedia+7Bellevue Botanical Garden+7Tulsa Botanic Garden+7

• Botanic Garden of Lights – Tulsa Botanic Garden (OK)
  Select evenings Nov 28–Dec 28, 5–9 pm, with s’mores, live music, Santa stops, and festive characters like Elsa, Buzz Lightyear, & Cindy Lou Who. Lewis Ginter Botanical Garden+9Tulsa Botanic Garden+9Wikipedia+9

• Dominion Energy GardenFest of Lights – Lewis Ginter Botanical Garden (VA)
  Iconic walk-through light display with model trains, s’mores, firesides, and miniature fairy villages—returning in November–December 2025. Extension | University of New Hampshire+11Lewis Ginter Botanical Garden+11Norfolk Botanical Garden+11

• Festival of Lights – Tanglewood Park (NC)
  Drive-through light extravaganza at the Tanglewood Arboretum, stretching over mile‑long loops with 180 displays and over a million lights. Wikipedia

• Magic Christmas in Lights – Bellingrath Gardens and Home (AL)
  Over 3 million lights set across themed scenes, running from the Friday after Thanksgiving through New Year's Eve. Wikipedia+1

• Holiday Lights – Honor Heights Park (OK)
  A botanical garden turned twinkling wonderland with 1.2 million lights illuminating azaleas, trees, and gardens during November and December. Wikipedia

• PNC Festival of Lights – Cincinnati Zoo & Botanical Garden (OH)
  Shows nightly Nov 20, 2025 – Jan 4, 2026, featuring 5 million LEDs, animal lanterns, Polar Express train, puppet shows, and a “Happy Zoo Year” New Year's bash. Cincinnati Zoo & Botanical Garden

Cooperative Extension & Master Gardener Winter Events

• Gardening Questions Answered – CCE Orange County (NY)
  Monthly virtual Q&A sessions live on the third Thursday at noon; the December session is on December 18, 2025. extension.iastate.edu+6cceorangecounty.org+6cceorangecounty.org+6

• Other Cooperative Extension winter programs—such as webinars or workshops—weren’t explicitly listed for December 2025 nationwide. Most outreach seems focused on earlier seminars or extending into early the following year.