The following are some plants that can be grown reasonably well in a greenhouse kit during winter. Supplemental lighting may be required to lengthen hrs. of light, for instance HID Lighting (high pressure sodium and metal halide) and fluorescent lights.
Excellent:
Basil, celery, dill, fennel, kale, leaf lettuce, marjoram, mustard greens, oregano, parsley, spinach, Swiss chard, and turnip.
Good:
Cabbage, collards, garlic, green onions, leek, cherry tomatoes and cucumbers (European type) are considered good but require warm temperatures.
Fair:
Broccoli, edible pod peas, Eggplant, large tomatoes and peppers are considered fair, but require warm temperatures.
Poor:
Beans, carrots, corn, radishes, turnips. Melons and squash are considered poor because they are naturally pollinated by bees. If hand pollinated they can be listed as fair.