Special Hours

The U.S. Botanic Garden Conservatory will close at 3 p.m. on Tuesday, December 6, due to an official government function. The Conservatory will return to normal hours December 7.

Muhly Grass and Swamp Sunflower

Plant Botanical Name: 
Muhlenbergia capillaris and Helianthus angustifolius
USBG Plant Location: 
National Garden
Full sun
Plant Soil Type: 
Well drained
Plant Moisture Requirements: 
Can take drought once established.
National Garden Room Location: