The Sansevieria Metallica, or Sansevieria Trifasciata 'Metallica', is an easy indoor plant. The leaves have a sword-like silvery colour. You can also recognise the plant by its nickname Snake plant or Mother-in-law's tongue. The best location for a Sansevieria Metallica? Sansevieria Metallica plants can grow in almost any location. From bright light to semi-shade.