I have read that tomatoes for greenhouse culture need to be varieties designed to be grown in greenhouse environments. What are the varieties, and where can I get them...just by mail? And what other plants should I look for that would grow better in a greenhouse than out in the garden? What about normal tomatoes planted in a greenhouse, not out-of-doors in the vegetable garden? Will they produce well, or under-produce? How about planting them near the south wall that I open for ventilation, where they'll get direct sun until they are over 3' in height?
Plants designed for greenhouse use are bred to work the most efficiently in the greenhouse environment, and resist pests and diseases that prefer greenhouse conditions.
This site has a list of greenhouse suitable tomato varieties, including easy to find ones like Tropic, Laura, and trust. You can also find detailed information in every department of greenhouse tomato cuture.
Greenhouses are an entirely different environment from outdoor beds, so it is highly advised that you use an adapted variety.
Another plant that will grow much better in a greenhouse is European table cucumbers, which benefit from the uniform heat and humidity all season.