Is horse manure good for all kinds of orchids?
This is a big question considering the thousands of different orchids. The short answer is yes, with the proviso that those requiring weaker solution are potted in the manner explained on the Potting Info page under ‘Potting Orchids Requiring Weaker Solution’. I can’t guarantee that there aren’t any orchids that won’t perform this way, but certainly the overwhelming majority of them will. Don’t you have to compost the horse manure before using it? No, fresh is best if you use it as explained. It isn’t that fussy. If there’s a bit of straw with it from the stables or if it’s been lying in the field for a few weeks, that’s no problem, it will still be better than most mediums people are using to grow orchids, but I have found that fresh is best. Just put it in the pots as it is found. You can break the biggest lumps into a few pieces but this is not essential. What’s the difference between measuring nutrients in EC micro Siemens (S) and parts per million (ppm)? These are different ways o