Nerve Plant (Fittonia) Profile. Normally grown as a houseplant, nerve plant (Fittonia spp.) is a spreading evergreen with delicately veined, deep-green leaves. Although the most popular vein color is silvery-white, you can also readily find varieties with veins in pink, white, and green. This plant grows well in shaded region where it can get bright indirect sunlight. Water the plant when it is dry.