Calendar Of Events

Sold Out! 39th Annual Lahr Native Plant Symposium

March 28th 2026 -

Sold Out!

Where: US National Arboretum Administration Building/Visitor Center
When: 9am – 4pm
Full info at Eventbrite

Join us at the 39th Annual Lahr Native Plant Symposium for presentations from five expert speakers. Learn about regenerative gardening and agroforestry, utilizing native plants in garden design, traditional ecological knowledge and the relationship between people and plants, improved garden performers, and how to support local birds in the DMV.

This symposium promises a wealth of knowledge for every green thumb and environmental enthusiast. You’ll leave inspired and ready to grow!