There are several Pyracantha bushes on the property where we live and I couldn't resist cutting off a branch this morning to do a fall arrangement. The berries (technically pomes) range in color from chartreuse to deep red are defended by monster thorns. You can eat them, but I'm not gonna. Although it would kind of justify me crunching through the trees and weeds foraging for botanical treasure like a hunter gatherer. The most fun I can imagine having ever.