PBA Bonsai Festival May 3-5 2019 at the National Bonsai Museum, DC Arboretum

[W3rk]

The Potomac Bonsai Festival at the National Bonsai Museum (Washington DC/National Arboretum) is about a month earlier this year than the last time around:
Just a month away now, May 3rd - May 5th 2019.
Official NBF site link here.