I have several Abutilons & each spring I repot them into MP compost & feed them weekly. Would grow bags be better or a mix of grow bag & MP compost. I have a neighbour who repots a rose every year into grow bag compost & his rose is beautiful.
Janet
Ping.
Janet
looks like your neighbour has got it right. His environment must be almost identical to yours so if he has the right answer. Follow his lead
I just misread that as ablutions.
I wouldn't like to repot those each spring ;D ;D ;D ;D ;D.