Wasabi Plant. In fact, by some estimates, only 5% of the wasabi served in japanese restaurants around the world comes from the rhizome, or root, of a wasabi plant. Cut back wilted leaves and stems and keep the ground free of weeds and pests.
This is one of the longer growing wasabi plants. Mist as necessary to keep plants cool and to avoid wilted leaves. Also grown in shaded damp positions for the attractive foliage.