Selecting a Greenhouse

also with the hoop you can cover with row cover cloth(several different weights or plastic lots of options
you will just have to experiment

 

check out johnny's seeds  for education and then buy where ever you wish.

Meh

There Are A Lot Of V

There are a lot of various options that can help you with your problem but I believe that you need to check these trench drain solutions right here on https://vodaland.ca/collections/trench-drains and I strongly believe that this 4" Plastic trench drain (BASE 100P), plastic grate, 6" depth, B class is the best one for you right now.