These estimates for how long Ironweed takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Called Ironweed for its tough stem. Its Latin name comes from William Vernon – English botanist and explorer in the 17th century.
The roots of V. amygdalina have been used for loose teeth and regulating menses1.
Prairie ironweed
Vernonia fasciculata Michx.