Valerie,
which variety is that one?
Did you get it from a nursery, or has it gone wild
in NZ?
Our local hills are covered with Ceanothus, aka 'California Lilac'
which put on a great display if we've had decent rain.
https://www.gardenia.net/plant...
https://en.wikipedia.org/wiki/...
I bought 3 varieties at the Native Plant nursery up the road a few years ago,
and they did well for 2 years, but something got them one-by-one.
The lush green leaves on yours really set off the brilliant blue blooms.
Worth trying again.