3. Medical marijuana
As we have seen, cannabis is one of the most profitable crops, and therefore one of the top most profitable specialty plants to grow in a greenhouse. Growing marijuana for medical purposes has shown to be a lucrative business. That’s why this crop is among the top three on the list of top 8 most profitable specialty plants to grow in a greenhouse. There are a lot of companies focusing on producing supply and equipment exclusively for medical marijuana greenhouses, like FarmTek or GGS Structures Inc.
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