Here is the Glacier tomato, Solanum lycopersicum, It is a Semi-determinate variety that prefers cool weather in early spring or in fall. This tomato variety is a potato leaf type and produces 1 1/2 - 2 inch tomatoes. This is considered a extra-early variety so it's Best to start this one early! We found mid season pruning will often give a second or third crop. Open pollinated. Semi-determinate. 50-70 days.