Waiiiittttttt...... What kind of bag is that?? It is beautiful and idea of dunking the bag has really got me jazzed. Do tell.

A green heavy duty plastic bag. I dont do it myself but rather purchase it already planted and ready to hang. Until this year I would water it from the top but of course it would take forever for the water to make it to the bottom. But immersing it in a pail of water helps greatly.

Here is a link that might be useful: Growing bags

That is a great idea! You are doing a superb job...the plants look very healthy!