|Carrots, Kale, Collards, Parsnips|
Once you have decided what to plant you will have to figure out where to plant it. Zucchini takes a lot of room. Radishes take a small amount of space and can be planted probably three times over the summer. You can also plant things like radishes and leaf lettuce in staggered plantings. Plant some right away then plant more in a week, the two weeks, etc. When you harvest the first ones you planted plant more in the same space and keep going all summer. You will then be able to harvest a few radishes all summer long instead of a whole bunch all at once.
Rows should probably run south to north, if you use rows. You might want to check the book, The Square Foot Gardener by Mel Bartholomew, for tips on other ways to plant instead of rows. You can get a copy at your favorite book store or online book retailer.
For the first timer, plant things that will surely reach harvest. Plan for success. Peas and radishes will generally grow even when neglected. Remember big plants, cabbage, broccoli, squash and the like take a lot of space. Carrots, radishes, and peas not so much space. Even a small garden can produce a lot of wonderful things to eat if you plan. The most important thing to remember is full sun for as long as possible, plant what you like to eat, and an inch of water a week.