We are moving to a small farm.
There is an area that sets maybe 30 feet from the house. It is lower ground with a circle of trees around it. The entire inside of the circle is just ground.
I noticed over the summer and fall when we began working on the house, that the area had maybe a good five hours of sun that streamed between the trees.

What I am wondering is if I build raised beds to plant lettuce, broccoli, cauliflower, and other cool weather vegetables if this would be enough sun for them? Also, because this is really a full shade area the temperature seems to stay lower there all summer is it possible to grow those crops all summer?
I have a grandson with celiac disease and I have gluten allergies. Cauliflower has become a staple in our diet we use heavily. If there is a way I could grow this year round it would certainly help us.

Any help, thoughts or suggestions would be appreciated.
I wanted to post in this forum in hopes others in my area that know our weather would have some advice.