名媛直播

Hello, all.I have this Azalea that was doing well, and suddenly started to drop leaves very fast.
It's in a good soil, acidic, never dried out, good drainage, some Osmocote.
It's in half-sun (afternoons only), it's Autumn here but temperatures are still high (in the 20'sC). Some leaves always drop before winter, but not so many!
So, as they like mild winters and flower here from May to August, I'm concerned.
Can anyone help? Pictures below.


Leaves get brown and drop


New growth on the tips of branches keep green.


There are flower buds, but no flowers.


Pretty bad state...


Is there something I can do?