Conkerberry (Carissa spinarum)

[Richard]

@Richard

might work in conjunction with pyracantha in a hedgerow

@Richard

… provided you plant it in USDA zone 10 or higher.

@MuddyMess_8a

There’s always a catch!

I was re-reading this thread, and reminded that Kei Apple might work in your climate – and provide a far more robust fortress.