You Will Get 5 Seeds Yucca Filamentosa Variegated Adams Needle Yucca. This great yucca gets evergreen foliage that is green and gold variegated, and clusters of white flowers, like nearly all yuccas.. These plants are extremely exotic, yet they are very cold hardy.. They are hardy to at least USDA zone 4, and possibly colder.. These plants would make excellent additions to your rare plant collection, or just make a unique statement in your yard.