First, you will have to do lots of planning. Research. Make an outline.
Plot out your space. Where do you want to plant that row of beans, for example? Should the tomatoes grow along the fence? Will the kale flop over the cabbage?
Forget the planning. Jab a bunch of holes in the ground. Sprinkle seeds. See what comes up.
Look! A squash plant. How did the heck did that end up in this corner?
Ah well. We can make it work. Push the cabbage plants out of the way. Tie up the beans.
Don't forget to weed. That stuff just clutters up your garden, choking off all of the good stuff.
And, yes, I know it's stressful, but you're going to have to
Gardening is hard work, but when it comes down to it, most of the job involves puttering around in the dirt.
It doesn't have to be perfect.
When you come to the end of the season, take a moment to celebrate what you've created.
Eat your vegetables.
Give the rest away.
Don't worry. Next year you can plant again.