Hello experts and orchid-growing folks-- I have a Zygopetalum that is starting to show new growth. I bought it around Thanksgiving with two big spikes full of buds, but the buds never opened. I cut them when it became clear that they were not going to succeed. I am not sure if this was because of a change in environment when I took them home or something that happened before I took custody of them (it was the only plant in the store of several with no opened buds).

Anyway, my Internet searching suggests that I should fertilize starting in March or so. But if the plant is showing new growth now and didn't fully bloom last cycle... will it be okay to start fertilizing it now? Is 30-10-10 appropriate?

Thank you.