The wild variety of arugula, Sylvetta, is slower growing than garden arugula and has smaller leaves with a spicier taste.
Organic Wild Arugula - Also known as roquette or selvatica, this wild relative of cultivated arugula is deeply lobed and has a wild fire pungency. More heat tolerant and much more cold tolerant than standard arugula, but grows much more slowly and attains only half the height. Its distinct look is considered a critical component of gourmet winter harvest greens mixes.(Diplotaxis tenuifolia)