Yucca!
...Your Life“, the flower stalk of the yucca can be eaten and tastes a bit like asparagus. The flowers, fruit and seed pods are also edible and Nyerges’ article provides some cooking tips. As part of a edible/useful landscaping scheme yucca plants are attractive and with their sharp points can provide a kind of security barrier against marauding hooligans. Speaking of hooligans (and bad transitions), we forgot to thank the folks at Soap...