After 3 weeks of using the wall o water, the effects are pretty clear as I have pepper plants inside the WOW getting twice as tall as the ones outside, they pretty much make melon seeds in the garden close to the WOW germinate faster, and it definitely has a positive effect on corm plants like bananas or gunneras. Here's the show of some results.
Right before putting it on

After 3 weeks, with many days of very cold weather in between

After having it on my gunnera manicata division, it took under 3 weeks for the leaves to start leaning on the edges meaning, it needs more space so I took it off, but before using it, this guy only had like a 3 inch leaf.
Before:

After:

Even when I use it on bamboos, the shoots/ rhizomes seem to be attracted to the WOW walls. When I put my hand into the WOW on a sunny day, it literally feels warm in there. Here's an example with bamboo. I hope none of them end up piercing the plastic.
