of those i've only propagated loquat, and from seed. real easy, no stratification needed. a reference book i have says that since it's a broadleaf evergreen, cuttings may prefer it cooler and to try in oct/nov. it also says that well-draining medium and mist 'is essential'.
It looks like it's time for me to write you a reality check! Or maybe a tiny ad!
It's like being on a deserted island - only with gardens and natural buildings in Montana