Re: Pot size
Stan ----- In my area roots fill up a new pot quickly --- spring thru fall. When I see that the demand for water has increased I just bump it up 2" in diameter.
During the hottest weather I look for roots sticking thru the drain holes. Then pop it out to see the rootmass. Because I use mycorrhizae I increase pot size by 4" when plants are actively growing.
The best test for rootboundedness is to drench the pot. When it has drained pick it up to the feel the weight. Pick up the pot again 24 hours later. If there is a minor change in weight leave it be. If weight loss is quite noticeable - repot it.
Dan
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