One in Adelphi, Maryland, one in Wildwood, Florida, one at the US National Arboretum with a grandfatherly interest in many more around the DC area (unless noted, pictures are taken the day of post)
Wednesday, April 25, 2012
Imperata cylindrica 'Red Baron' Japanese Bloodgrass...
...it's always called when it's a desired ornamental. When acknowledged as one of the worst invasive plants of the SE US, it's more often "Cogongrass". I've never seen it flower this early here, or produce seedheads of such size. It appears to be reverting which is not good as the green form seems more vigorous. Maybe that's an illusion. We haven't planted it for years and most area garden centers don't sell it anymore. We're slowly removing it from the collections. Slowly. The very warm winter we just experienced is doubtless the explanation for this precocious flowering, but as our climate does seem to be warming, we'll expect more of those warm winter. We don't want this grass to become as large an issue here as it is from South Carolina to Florida and across the Gulf Coast.