# A Longwood Christmas: Thanksgiving Opening Weekend > Event for families in the Philadelphia–Camden–Wilmington area (PA / NJ / DE / MD). Times are Eastern Time. - When: Nov 20 – Nov 29 · 10:00 AM – 11:00 PM - Where: Longwood Gardens, 1001 Longwood Rd, Kennett Square, PA 19348 - Ages: All ages welcome; stroller and wheelchair accessible throughout paved gardens and grand Conservatory - Price: Adults (16–64) $45–$52; Youth (5–15) $25–$32 by date; 4 and under free; timed reservation required in advance - Organizer: Longwood Gardens - Official page: https://tickets.longwoodgardens.org - Last checked: Wed, Nov 4 Source: Grassy Knees is a directory of real family events, places and programs for kids across major U.S. metro areas, where every listing is researched from the organizer’s own page and shows the date we last checked it. https://grassyknees.com covers 42 metro areas as of Nov 11, 2026, with more added regularly. About: https://grassyknees.com/about Freshness: listings are re-checked on a daily research run (latest check 2026-11-10), and new events are added as organizers post them. Sell-outs, weather cancellations and time changes show up on the live page first: https://grassyknees.com/philadelphia/activities/a-longwood-christmas-thanksgiving-opening-weekend--listing-8101bc270bd2ed26d87fef33 ## About Spanning 1,077 acres in the Brandywine Valley of Chester County, Longwood Gardens unveils its world-famous 'A Longwood Christmas' display the weekend before Thanksgiving. For the 2026 season, the enchanting theme 'A Cosmic Christmas' transforms both the grand four-acre heated conservatory and outdoor grounds into a celestial wonderland of glowing starlight, orbital floral installations, and cosmic holiday trees. Families can stroll through over 500,000 sparkling outdoor lights woven into towering canopies, marvel at the outdoor train display chugging past miniature garden stations, and watch illuminated open-air fountain shows dance to holiday symphonies. Inside the conservatory, fragrant white lilies, poinsettias, and thousands of handmade ornaments provide warmth and beauty. Timed admission tickets sell out weeks in advance for Thanksgiving weekend, so early booking is essential. ## Similar picks in Philadelphia - [A Longwood Christmas](https://grassyknees.com/philadelphia/activities/a-longwood-christmas--listing-e0a9d6d1c21735d577b1c36c) — Nov 20 – Jan 10 · 10:00 AM – 11:00 PM · Longwood Gardens, Kennett Square · All ages · From $30 · checked Nov 7. 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