The Artichoke plant produces a large, delicious green or purple flower bud that opens into a purple thistle, if left to flower or go-to-seed. Choose a sunny spot in your garden with lots of room for this plant to grow. Artichokes are perennial plants that keep coming back bigger and more productive every year. Artichoke oil, which is similar to sunflower or safflower oil, can be extracted from the seeds ... click here to continue reading about Artichokes