Dates & times
All times are local to the venue · America/New York
- From 6:00 PM
These are the previously published dates. Check the organizer for a new edition.
Check the organizer’s latest schedule ↗Science Café explores the biology of bonsai and penjing
A bonsai’s shape reflects more than an artist’s decisions: the tree must respond to its container, soil and care. Science Café takes up that relationship at the U.S. National Arboretum on Saturday, November 7, 2026, with talks on the biology behind bonsai and penjing.
The tree inside the art
The 50th-anniversary Science Café brings together speakers who study soil properties and how plants respond to growing in containers. Their topics put the living tree alongside the decisions involved in shaping it, from pruning and wiring to watering and choosing a pot.
The setting offers a useful counterpart to the talks. The National Bonsai & Penjing Museum houses hundreds of bonsai trees, including some that are centuries old. It is part of the 451-acre Arboretum, a public garden and horticultural research facility administered by the USDA’s Agricultural Research Service.
Further reading: Science Café Tickets, Saturday, November 7 • 6 PM - 9 PM | Eventbrite ↗ · VISIT - Friends of the National Arboretum ↗
Time with the collection
Before the talks, ticketed guests can explore the museum and Visitor Center while Naoco Wowsugi gives a gong performance. The talks begin with a Japanese drumming performance, bringing music into an evening centered on plant science.
The ticket includes refreshments in the Visitor Center; the event listing describes themed cocktails and food. For anyone chiefly interested in the collection, the early access period is the time to set aside for a visit before the presentations begin.
Further reading: Science Café Tickets, Saturday, November 7 • 6 PM - 9 PM | Eventbrite ↗
Evening program
The program moves from museum exploration and a gong performance to talks introduced by Japanese drumming.
2026-11-07 · Bonsai Museum and Visitor Center
- Explore the Bonsai Museum and Visitor Center; gong performance by Naoco Wowsugi.
2026-11-07 · Science Café
- Science Café talks begin, with a Japanese drumming performance.
Evening planning
Confirm the finish
Both listings give a 6 p.m. start. Friends of the National Arboretum lists an 8 p.m. finish, while Eventbrite lists 9 p.m.; check with the organizer if the difference matters to your plans.
Eventbrite says the grounds close to the public at 5 p.m. and reopen to ticketed guests at 5:30 p.m. It separately lists doors at 5:45 p.m. without explaining the distinction.
Science Café - Friends of the National Arboretum ↗ · Science Café Tickets, Saturday, November 7 • 6 PM - 9 PM | Eventbrite ↗
Register for the event
Eventbrite lists admission at $47.19, with refreshments included. The event is for ages 18 and older.
Science Café Tickets, Saturday, November 7 • 6 PM - 9 PM | Eventbrite ↗
Getting to the Arboretum
R Street entrance and parking
The event address is 2400 R St NE, Washington, DC 20002, at the Arboretum’s R Street entrance. Eventbrite lists free parking; the Arboretum’s general guidance directs drivers to marked lots rather than roadsides or grass. Check with the organizer for evening-specific parking and entrance instructions.
The Arboretum generally recommends the R Street entrance for rideshare pickup and drop-off. Nearby bus stops connect to the grounds, though no rail line goes directly to the Arboretum; use a trip planner or the directions links to calculate a route from your starting point.
Science Café - Friends of the National Arboretum ↗ · Science Café Tickets, Saturday, November 7 • 6 PM - 9 PM | Eventbrite ↗ · VISIT - Friends of the National Arboretum ↗
Before you make a plan
Can I visit the bonsai museum before the talks?
Yes. Eventbrite says ticketed guests can explore the museum and Visitor Center from 5:30 to 7 p.m., before the talks begin.
Science Café Tickets, Saturday, November 7 • 6 PM - 9 PM | Eventbrite ↗
Does ordinary Arboretum admission cover Science Café?
No. General Arboretum admission is free, but Science Café requires a separate ticket.
VISIT - Friends of the National Arboretum ↗ · Science Café Tickets, Saturday, November 7 • 6 PM - 9 PM | Eventbrite ↗
What is the refund policy?
Eventbrite lists refunds up to three days before the event.
Science Café Tickets, Saturday, November 7 • 6 PM - 9 PM | Eventbrite ↗
Location & Google Maps
U.S. National Arboretum
2400 R St NE, Washington, DC 20002
Map search by venue and address. Check the organiser’s entrance details before travelling.