Bidens bipinnata Common Names Spanish needles Family Asteraceae Habitat open woodlands, disturbed areas Observed Blooming mid September, 2018 early September, 2015 mid August to early October, 2014 Conservation considered weedy by some authorities Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Like Loading...