A super easy way to improve the health of your bonsai…
…and sometimes it’s buried. In the pot. And it’s not a magic particle. Or fertilizer. It’s all about gas exchange.
When we recognize that roots respire, we know that they need oxygen. And if they need oxygen, then a solid pot wall is one impediment to that, and a clogged drain hole is really shutting the door. Add more drain holes and oxygen will have an uptick, the result being stronger trees.
Buy a hole saw and drill a few more holes in your pot. Many pots have multiple holes, but maybe not in the lowest place in your pot: A sure way to have a root problem later on. Making more water exits solves this problem quite handily.
Andrew, my apprentice, making three new holes in what was previously a one hole pot. It had a clogged drain hole (a lot of mycorrhizae) and nowhere for water to drain out. Now we’ve multiplied water drainage, and concurrently, oxygen presence in the rootball.
Notes: A hole saw often has diamond dust on it, so it can cut through ceramic. Do go slowly, don’t have a high RPM, and make sure there’s always a puddle of water present. Andrew has tipped his pot so that a puddle stays where he’s drilling.