Tree collard yield

Question

I have a supplier asking me to grow tree collards. He says that he can handle 100 lbs a week for his business. They have a vegetable powder business.

I have plenty of land here in WV. I’d like to put up high tunnels so the plants can be year round as it gets below 20 degrees Fahrenheit here in the winter.

My biggest question is “how many pounds of leaves will one plant yield and how often can I harvest it?”  If you can help me answer that question, then I’ve got the rest figured out. Thanks so much for your time!

Answer 1

These articles may help:

https://www.gardeningknowhow.com/edible/vegetables/greens/growing-collard-greens.htm

https://ufdcimages.uflib.ufl.edu/ir/00/00/18/69/00001/fe20600.pdf