Nice looking bench and watering system.
![Thumbs Up :tu2:](./images/smilies/up.gif)
Having used untreated softwood, (pine) I would be wary of 1. White ants, 2. the wood rotting after a couple of years, especially at joints where the moisture will persist. I hope my fears are unfounded
![Fingers Crossed :fc:](./images/smilies/fingers%20crossed.gif)
because the Melbourne weather elements may be kinder to your building materials than up here in Qld.
![My 2 cents :2c:](./images/smilies/2c.gif)