My brother at
lenettepoms.com might know. He used to have several greenhouses just full of orchids in many stages of growth for many, many years. He used to crossbred them, then send them to Belgium for cloning. Then the place in Belgium would send the spores back and then he would raise them and sell them. He used to feed his young orchids a piña colada solution.
He might not know our term "dry ferts," though.
