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Toringo Crab Apple, in training since 1905
California Juniper, in training since 1985
Smooth-leaved Elm, in training since 1982
Japanese White Pine, in training since 1625
Chinese Elm, training date unknown
Crape Myrtle, in training since 2010
Drummond's Red Maple, in training since 1974
Japanese Black Pine, training date unknown
Rhododendron 'gunki', in training since 1982
Sargent Juniper, in training since 1905
Arbor Vitae, in training since 1989
Cedar Elm, in training since 1981