the gravel tray with the kale grew quicker than the soil ones. our kale is green and it has a tint of purple. it has ruffles in the leaves and it is very similar to the mustard. it is very difficult to tell the two apart, they are both green and purple.
on march 8,2017 we harvested our kale plants. we dug the kale out of its trays with forks. it was hard to dig them out , because the roots were connected. after we dug them out we measured them. we measured the roots and the plants by themselves. it was fun to watch them grow and harvest them. this 