13th May 2005
A splendid , vigorous species from central and eastern states of the USA. Flowers in little
clusters like milk bottles in a crate.
(I'm old, get someone to explain it to you!)
Distinguished from the otherwise very similar P.biflorum by the leaves, which clasp the stems at the base.
21st May 2006
22nd May 2008
13th May 2012
25th May 2013