soil/sand/compost ratio
Have some hibiscus to put in larger pots on a south facing window.
John Innes No3, and some general purpose compost, and sharp sand I have got
and are all ready to be mixed up.
Since I having 'deepish' saucers under the pots, what *ratio* of these three
components would you mix up; with a view to minimize the watering, but also
keep the plants happy?
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