Casper wrote:
I'm talking Ceratopetalum gummiferum here

Any advice would be appreciated

Basically, no idea. justa few 2c.

Drainage? too little?
Naturally, around Gosford in the bush, they grow on sandy soil derived
from Hawkesbury Sandstone. Dad has one at home on heavier soils, but it
is on the slope and thus drained.

Too much fertiliser?