Categories David Meadow salsify (jack go to bed at noon) seed heads Post author By David Post date 28 July 2018 The feathery parachutes for wind dispersal of the seeds form an almost complete sphere on these meadow salsify – also known as jack go to bed at noon, from the habit of the yellow flowers closing by the middle of the day. ← Skipper butterflies on great willowherb flower and grass leaf → Common blue damselfly wheel