over potting

crawdaddy · 06-11-2010, 09:50 PM

Just got a japanese maple that came in a 5 ga pot.
In a few places I read, it says you shouldn't repot in a much larger pot,
ex 25ga. You should gradually increase in size.
Why is this?

M.B. · 06-12-2010, 12:21 AM

The way I understand it, when you repot into a way oversized pot, the outside edges dry out much quicker than the center where the plant is sitting. This can set up the perfect recipe for root rot with the tree sitting in constantly damp soil. The roots don't want to populate the dry edge area so there is no advantage to planting it in a huge pot. I think there were some other reasons but I can't remember them right now, been a long day.
Mary B

Brent · 06-12-2010, 09:58 AM

See this article at our website:

Overpotting

Brent
EvergreenGardenworks.com

M.B. · 06-12-2010, 06:09 PM

Jeesh, I've got to quit answering posts when I'm tired. I got the root rot part right, but nothing else. Thanks Brent.
Mary B.

06-11-2010, 09:50 PM	#1 (permalink)
crawdaddy Join Date: Jun 2010 Location: Brampton Posts: 3	over potting Just got a japanese maple that came in a 5 ga pot. In a few places I read, it says you shouldn't repot in a much larger pot, ex 25ga. You should gradually increase in size. Why is this?

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06-12-2010, 12:21 AM	#2 (permalink)
M.B. Join Date: Dec 2007 Location: Outside Sacramento, CA Posts: 116	The way I understand it, when you repot into a way oversized pot, the outside edges dry out much quicker than the center where the plant is sitting. This can set up the perfect recipe for root rot with the tree sitting in constantly damp soil. The roots don't want to populate the dry edge area so there is no advantage to planting it in a huge pot. I think there were some other reasons but I can't remember them right now, been a long day. Mary B

06-12-2010, 09:58 AM	#3 (permalink)
Brent Join Date: Dec 2007 Location: Lake County Northern California Posts: 17	See this article at our website: Overpotting Brent EvergreenGardenworks.com

06-12-2010, 06:09 PM	#4 (permalink)
M.B. Join Date: Dec 2007 Location: Outside Sacramento, CA Posts: 116	Jeesh, I've got to quit answering posts when I'm tired. I got the root rot part right, but nothing else. Thanks Brent. Mary B.

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