planting in a clear container with a black plastic sleeve allows you to slide the sheath off and look
![Very Happy :D :D](/styles/smilies/icon_biggrin.gif)
also people use clear + painted dixie cups one in another for small plants
but take it this way, foliage mass= root mass. increase the foliage, you have more roots. this helps you figure out when to transplant. also you can tell by how fast it drinks water