Nasturtium

One of the most widely recognized edible flowers that ranges in color from bright yellow, to orange to red. The nasturtium plant's leaves, flowers, and seeds are edible. The leaves and stems have a peppery bite, and the blossoms may be minced and used to flavor butter, cream cheese or vinegar. The flowers add color to salads or make a lovely garnish, and the seeds and immature buds can be pickled ans used like capers.