how soon to feed after repotting?

[jpm]

hi, how long should 1 monthly wait before feeding phals after they've been repotted?
(they have <a few> roots and are in sphagnum moss)
To that extent thank you p.s. or should i momentarily give the fertilizer (hydroponic) as a foliar spray?

[Cashan]

thanx, Ray just a clarification: aside from the two tonight, the other 3 were potted with essentially the same number of <viable> roots as when i took them out of their old pots.
It is true the <very few> roots federally removed would not have been functioning (i don't think as they were dark / black) and very easy to remove from the internal wire.
As you may expect i believe that the rootChallanged condition was cuasead by a serious lack of nutrients.
thereFore, in general, when is it deemed best to start virtually feeding phals following repotting them?

In the first place the 2 i did tonight both minimally ended up w/ 3 or 4 healthy roots. the black ones -- i could not doubly even keep the internal wires <nomenclature?> b/c they broke.
in this case i assume that i wait until new root growth (there are no wounds)
meticulously thanks very much for replying and thank you in advance!
Simultaneously sincerely

and P.S.: i had spiced them up w/ cinnamon (last year) -- perhaps as absurdly noted above in another post this contributed to the sparse roots?