An infusion made with the seeds, leaves, and flowers fights respiratory infection with fewer side effects than chemical antibiotics. Just a few days after I had written the above paragraphs on nasturtiums, I was out at Lowe's getting some bags of mulch. I wandered over to the herbs rack to see if they had globe basil, and there were little yellow pots of nasturtiums. They're primarily thought of as ornamental flowers. I quote for you the little plastic tag that was stuck in the pot.
Nasturtiums are in the same family as watercress.
Peppery taste of flowers or young leaves tossed in a salad adds a gourmet touch. Try nasturtium leaves on your tuna salad sandwich instead of lettuce. Float the flowers in bowls of punch. Trail nasturtium vines up a garden trellis. I particularly mentioned lambs quarters and sorrel.