I built a training pot out of pine

[jaz419]

Should I seal the inside with something?

the pot is not it’s final home so it ultimately doesn’t have to last more than a few years... but I’m not sure raw pine would even make it a few years constantly exposed to water.

I know plenty of people make wood training pots ... is there a general consensus? If so, what is being used? Polyurethane? Lacquer? Oil? Etc

 

[DonovanC]

Untreated pine can easily last several years. A bit of oil couldn’t hurt, but dealers could be dangerous for the health of the tree.

 

[Japonicus]

Substrate, wooden boxes, pond baskets & colanders

Been doing it my way a while, and the more I read the newer to bonsai I feel. That can be both good and bad, nonetheless less, I need to step it up and learn some new stuff. This is why I chose this forum New to Bonsai for this thread, and help other new comers as well. 1st Substrate (and most...

www.bonsainut.com

Page 6 in this thread post 110, I began making one out of a cedar plank.
Stained the outside and sealed the joints with water proof or outdoor wood glue.
The pot is still holding up. Has a crack in it and a hole where the wood fill over a screw came out.
I'll take a pic of it later for ya, but the soil tends to dry out pretty quick.

 

[Wires_Guy_wires]

Fresh wood from the hardware store lasts at least 3 years here. Only the feet don't.
I don't use any protectant or sealer.

Scrapwood boxes last roughly 1.5 years, another year with some duct tape and zip ties.

A major factor of influence is how much you move them. I'm sure some of my boxes would've made it to 5 years if I wouldn't move them around that much.

 

[KiwiPlantGuy]

Hi,
So I write this not so others think I am dumb for not testing first, as I have had no ill effects from the below.
My design I copied from Bnut here and I use ground treated (H4) pine used for fence palings and the like. I use insect screen on the base and am into my 3rd year with most. Top Growth and roots are great, re open mostly inorganic mix with some pine bark. I haven’t seen anything that would suggest any issues.
All boxes are from 6-20 inch square. And reuse the boxes with ease regarding repotting and the like.
Charles