Do biennials come back every year?
biyearly plants , such as sweet william , foxglove , money industrial plant , and althea , go through a singular growth oscillation that spans two years . In the first year , these plant focus on shew their vegetative part , include leaves , stems , and root . They grow vigorously during this time , direct reward of the favorable conditions to work up a potent foundation for the undermentioned year ....