I need to build some custom stairs outdoors. I was thinking of using stone, but I am open to other ideas. I was thinking of using custom iron stairs, but I don't know how to weld or fabricate them.

A: Any time, as long as you can get the potting soil to stay at about 70 degrees they should start nicely. In the winter, the seeds will be slower to germinate, the plants will grow more slowly and ...