Many dogwood varieties don’t need sun and will tolerate partial- to full-shade conditions. One spectacular species to try is Cornus florida, a tree with reddish-purple fall color surpassed only by its ...

Plant cells without walls, known as protoplasts, are very fragile, and it has been difficult to keep them alive under a ...

Imaging wall-less plant cells every six minutes for 24 hours revealed how the cells build their protective barriers.

In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls allow plants to have rigid structures as varied as wood trunks and ...