446 acres of gardens, meadows, and the surreal National Capitol Columns standing in an open field. Free, with free parking, and gloriously uncrowded. The Bonsai Museum alone is worth the trip. Grounds open daily except Christmas; summer weekdays until 8p. Bring a car.
Key facts
| Hours | Mon 8:00a-5:00p (until 8:00p Jun 8-Aug 28) Tue 8:00a-5:00p (until 8:00p Jun 8-Aug 28) Wed 8:00a-5:00p (until 8:00p Jun 8-Aug 28) Thu 8:00a-5:00p (until 8:00p Jun 8-Aug 28) Fri 8:00a-5:00p (until 8:00p Jun 8-Aug 28) Sat 8:00a-5:00p Sun 8:00a-5:00p |
|---|---|
| Price | free |
| Phone | — |
| Website | — |
| Nearest transit | No Metro nearby; drive (free parking) or rideshare. Metrobus B2 stops on Bladensburg Rd, then a walk |
| Time needed | 2-3 hours |
| Best time to go | Spring for azaleas, but a summer weekday evening until 8p is peaceful and golden |
| Last verified | July 15, 2026 |
Friend Score
8.0/10- Value9.0
- iconic7.0
- Freshness9.2
- excellence8.0
- Crowd level8.0
- Authenticity8.5
- Accessibility6.0
Frequently asked questions
- What are the Capitol Columns?
- They're 22 Corinthian sandstone columns that originally held up the east portico of the U.S. Capitol until 1958. Reassembled in an open meadow here, they look like ancient ruins and are the Arboretum's most photographed spot, especially at sunset.
- Is it good for kids and dogs?
- The open meadows are great for kids to roam, and leashed dogs are welcome on the grounds, which is unusual for a DC attraction. It's a favorite local spot for a low-key, uncrowded outdoor day.
- When is the best time to visit?
- Late April into May for the famous azalea display on Mount Hamilton, and spring for magnolias and dogwoods. Summer weekday evenings are quiet and beautiful. Fall brings foliage, and the bonsai museum is a year-round draw.
- How much time and how do I get around?
- Budget two to three hours. The grounds are spread across 446 acres, so you can drive between the main areas like the Columns, the azaleas, and the bonsai museum, then walk each on foot. Wear comfortable shoes.
- Is the Bonsai Museum worth it?
- Very much so. The collection includes a Japanese white pine that survived the Hiroshima bombing and has been in training since 1625. It's a serene, world-class collection that many visitors say is the highlight of the whole Arboretum.
- Is the National Arboretum free?
- Yes, admission and the National Bonsai and Penjing Museum are both free, with no tickets needed, plus free on-site parking. It's run by the USDA and is one of the most underrated free attractions in the city.
- How do I get there without a car?
- Honestly, it's tough. There's no nearby Metro, the grounds are huge, and transit involves a bus plus a long walk. Driving or rideshare is strongly recommended, and the free parking makes it easy once you arrive.
- What are the hours?
- The grounds are open daily 8a to 5p except Christmas Day. From June 8 to August 28, weekday (Monday-Friday) hours extend until 8p. The Bonsai Museum is open 10a to 4p daily, with reduced winter days.
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Where to stay near United States National Arboretum
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