Lathyrus latifolius (aka Everlasting Sweet Pea, because it dies back in winter and comes back again each year). Flowers: Jul-Oct Cut back to ground in late autumn/winter when it's died back after the frosts arrive.
Anyone with short or medium length hair knows that updos can be a big struggle, if not totally impossible. But leaving your hair down all the time? That gets boring fast. I recently chopped a few inches off of my longish hair for a lob with choppy ends.