Elms for USDA zone 5 and zone 4 - these species should be able to be wintered, outdoors, without temperature protection, pot set on ground, protected from wind & maybe sun, mulching in optional. Ulmus americana - American elm, in the landscape susceptible to Dutch elm disease, in a pot treatment is relatively easy. Here in NC, they drop, but later than just about all my other deciduous.
Even today (Dec 5) I'd say only about half of my Chinese elm leaves have fallen off the trees. Compare that to my American elms, winged elms, cedar elms, silver elms, English elms - all of which dropped a month or more ago. Has anyone experienced a lot of dieback with Seiju elms in colder climates? I am in Zone 4B, and guides say that's just on the lower end of the cold spectrum which Seiju elms will tolerate.
elms uihc, I've seen a lot of American elms thrive in the neighborhood, but I hear those ones can go all the way to Zone 2. Thanks for wisdom/experience! What is your experience with the chinese elms dropping leaves. Here are a couple images of my elm: For comparison, I have a couple other bonsai; I have a field maple, that has no moss on the substrate but basically also grows in the volcanic gravel. No problem for him, the saucer is also often filled with water and the tree grows like crazy.
elms uihc, Siberian elms are pretty vigorous trees and like most elms, they can take dramatic root reduction (like 95 percent) at the right time. Also your location dictates what you can do with them right now. If you're in an area that is winter now, working roots, trunk reduction etc. is not in the cards until early spring arrives. Similar threads When is a cork bark elm, a cork bark elm? leatherback Elms Replies 3 Views 680 Bonsai Nut I saw many YouTube (maybe it's magic of YouTube), where chinese elms after such pruning reacted with few centimeters of growth from everywhere after a month.
Overall i think it's healthy, but a little stagnant. I have also searched for aphids and spider mites with my eyes and white paper test from Bonsai Mirai video, everything seems clean of ... My many Chinese elms stay outside all winter, through a week or two into the twenties or teens occasionally, sometimes buried in snow. They're hardy trees.
