That tomatoes cannot be successfully grown and ripened in the open air in South Dakota, is an idea very generally met with throughout the state. But judging from the results of our experiments, during the season of \u2793, then, must have been some fault in the methods of culture pursued by those failing to ripen a paying crop. There are conditions to be overcome in nearly all climates and the one here is the short season of plant growth. The past summer was perhaps one of average length, yet the period, as shown below between frosts was too short by over a month. The time at which frosts of spring may no longer be feared is generally between May 25 and June 1. This year our plants were set in the field on May 29, and a killing frost came S...