Lights for Mars: Which plants will illuminate the space greenhouses? Don't let the name fool you; the Traveler's Palm isn't a palm at all! This stunning, fan shaped tree is actually a relative of the banana plant. It became known as a Luchtzuiverende planten Air So Pure Automation key to labor cost savings in horticulture" The end of summer has truly arrived with the flowering of the Jerusalem Artichokes. Also known as Sunchokes, these flowers are as tall as sunflowers (a close relation) although much smaller heads.