The pot is blue, now with gold accents. I would go 2 routes. Bold gaudy flowers, or bold gaudy autumn fruit or leaf colors.
So for this pot, my first choice would be some sort of azalea. Satsuki, Kurume or "Florist's Azalea" which are usually Belgian hybrids. Some of the Satsuki, most of the Kurume will be winter hardy in zone 7a. In general, about half of the Satsuki and none of the Belgium hybrids (florists azalea) will be reliably hardy in 7a. But if you have a frost free area to winter them, they all could work. The photo attached is a Belgium type florist's azalea, 'Haru no Hibiki'.
Another option would be Crab Apple or Pyracantha with bright orange or red fruit. The white or pink flowers in spring and the brightly colored fruit in autumn would work well against the blue. Similarly Princess Persimmon would work well, as would American persimmon.
Then finally, a maple with very bright, bold autumn color could work well .
Hornbeam and beech have fairly muted autumn color, I would not use a blue pot for them.
Just my tastes, but that is my opinion. The pot looks great with the gold accents from the kintsugi.
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I think that if 'Tater lovers knew what the price is going to be for an appropriate pot when they get them critters to show-worthy status, they would opt for smaller trees. Just maybe, that's why we see so many started and so few finished. Hmmmmmm?
I'm quite guilty of that as well. Going to have to get a bunch of trees the spring, been on quite the pot buying spree this winter.Yeah. I'm doing it backwards. I bought a pot I liked, and now I'm searching for a good tree.
Don't forget Ginkgo - the brilliant yellow leaves of ginkgo in autumn would be excellent against that pot.
Your original plan of putting a Carpinus or a Beech in the pot is actually just fine. As the pot is used, the glossy glaze will dull, as it picks up patina. If the pot is close to the right size for a tree you have, use the pot, even if it is not a perfect match. The pot in use is much better than the pot sitting on a shelf. Even if the matching is not textbook ideal. There is such a thing as "good enough".
I'm glad I'm not the only one in this predicament!I'm quite guilty of that as well. Going to have to get a bunch of trees the spring, been on quite the pot buying spree this winter.
You really are clueless. Oh, I agree with not mixing bleach and vinegar...One does not buy pretty pots to have them patinaed into oblivion. An overnight soak in 15-20% cheap white vinegar removes calcium accumulation and another overnight in 5/10% household bleach removes mold stains, and then the pot is like new. You can't combine bleach and vinegar because if generates chlorine gas just like WWI in the trenches, so you do these on two separate soaks.
Looking good
I like the dog too.