drainage

When placing a tree on a wooden board in order to train the roots "Ebihara style", has anyone had issues with water not draining well because the board has no holes in it? The water has to drain off the sides and I wonder if that has caused any issues for anyone

This technique isn’t novel and I don’t know where it originated, but I’ve had a chuckle over the name “The Oregon Hole.” It’s stormy this week so I’ve been hiding under my carport and listening to podcasts and music while monitoring the drill. Here’s what I wrote up to explain the process to...

I recently bought a few used pots, but they don't have any drainage holes in them. What are your opinions on that? Must one always have holes or do people sometimes use pots without holes? If so, in which cases? Thanks, I'm new :)

Hey everybody, I've had my bonsais a bit under a year (started from seeds) and am seeing my Ficus and Jacaranda growing roots through their drainage holes. Originally, I was under the impression that water that drains should be left in these trays to help with humidity, especially since they...

I just received this awesome Thor Holvila bonsai pot in the mail, but it only has one tiny drainage hole. I don’t have pictures yet, but you can see the hole in the second to last picture here: http://thorholvila.tictail.com/product/palm-size-1708-13-xxx. It would offer barely any drainage and I...

Here is the second resource developed from the thread "Introductory Soil Physics". It is a document explaining how the important physical properties in soil and substrates combine to control the amount of air and water in the pore space of soils. It discusses what a drainage layer does and how...