Calendar Of Events

38th Annual Lahr Native Plant Symposium

March 29th 2025 -

Registration Coming Soon!

When? Saturday, March 29, 2025, 9:15 a.m.–3:45 p.m.

Where? Administration Building auditorium, US National Arboretum

Join us at the 38th Annual Lahr Native Plant Symposium for presentations from seven local gardeners, scientists, and nonprofit directors. Gain insight on supporting native pollinators, utilizing native plants in a historic estate garden, uses of preserved specimens from USNA’s Herbarium, native species versus cultivars in regional trial gardens, backyard stormwater management, and foraging locally.

This symposium promises a wealth of knowledge for every green thumb and environmental enthusiast. Don’t miss this opportunity to connect with fellow native plant lovers and elevate your gardening expertise!

Registration hasn’t opened yet. Check back later this winter!