Calcium and magnesium supplements?

[Papillon24601]

Oh! Secondary question! Does this count as fertilizer for the orchids we are winter-resting?

[estación seca]

Originally Posted by Papillon24601

Oh! Secondary question! Does this count as fertilizer for the orchids we are winter-resting?

When people speak of withholding fertilizer during the winter, they are speaking mainly of nitrogen. But, plants that aren't growing don't use many minerals, either, so it isn't necessary to give calcium nor magnesium during winter unless deficiency is suspected.