I understand the difference between Elongating Species, junipers, pines, deciduous, etc. is that they build up reserves in different places. However, what are the implications for care? Are they repotted, pruned, or styled at different times? I thought that repotting or major restyling for all species is best done in the spring, with another window for styling in the early fall.
Does the distinction between Elongating species and others result in any different horticultural practices?
I repot my blue atlas cedars (Cedrus atlantica ‘glauca’) in the spring with the rest of my trees. I have wired and pruned throughout the growing season. One datum point, but I hope it helps.
My big take away is elongating species can be pinched in late spring, and undergo post harden pruning in early to mid summer. Bud selection by location and direction is important on the spruce I work with. Choices can facilitate ramification and attaining refinement sooner. Thuja, redwood, doug fir and spruce are very different so I often review the live stream on the species before I do pruning or styling
.Another source is under the education bullet pull down to SPECIES CARE. Broad leaf, Pine, and Related Elongating Species Guides give overviews of timing on many species used in bonsai. Juniper and tropical are listed as well. Good resource!