Potting up Quince in Fall?

[Russ1]

Aside from growing Quince and rooting cuttings I have little experience potting them up into Bonsai soil.
I did one this spring,first time, heavy root pruning and removing the old potting mix which has been doing great but I see recommendations about doing this in the Fall (maybe mid Sept or so). i have one that I'd like to pot up but don't want kill it either. Should I wait til spring? My average first frost is around October 10th or so, seems to be getting later the last few years but you never know and I do have a unheated Greenhouse and deep cold frame for protection.

 

[leatherback]

Aside from growing Quince and rooting cuttings I have little experience potting them up into Bonsai soil.
I did one this spring,first time, heavy root pruning and removing the old potting mix which has been doing great but I see recommendations about doing this in the Fall (maybe mid Sept or so). i have one that I'd like to pot up but don't want kill it either. Should I wait til spring? My average first frost is around October 10th or so, seems to be getting later the last few years but you never know and I do have a unheated Greenhouse and deep cold frame for protection.

if it worked for you inspring, why change a winning setup?

 

[Russ1]

There is one that I would like to get into a Bonsai pot before Spring and I keep seeing that Fall is better to avoid root disease, not sure if that's an issue where I am, but I could wait.

 

[WNC Bonsai]

Check Harry Harrington’s website (www.bonsai4me.com). He's in the UK and is a big proponent of late summer/fall repotting. Personally for heavy root work I’d wait until spring. Trees can put on a lot of new root growth in the fall but they already have an infrastructure to build on whereas when you root prune heavily you remove a lot of that infrastructure so they have to rebuild before they can add on.

 

[rockm]

The absolute best most fool proof time to repot is spring. Period. Fall CAN be an alternative time but there are significantly greater risks.

There is a difference between potting seedlings and repotting bonsai in the fall. Older bonsai can be harmed more than younger ones.

Want a detailed explanation of all this? Pick up a copy of Michael Hegedorn’s “Bonsai Heresy”. Fall repotting has its own dedicated section explaining why it’s not all that great.

 

[stubmle]

For quince specifically, I thought Fall repotting was advocated due to reduced risk of nematode infection.

https://www.bonsainut.com/threads/quince-repot-timing.33987/

 

[Russ1]

Thanks all, I may just wait til Spring since there will be heavy root reduction and complete soil change.
if I were just repotting I may try it but I'm not.