Summer Digging
| SUCCESSFUL | MARGINAL | UNSUCCESSFUL |
| Acer plat. Alberta Pak | Acer buergerianum | Aesculus (all varieties) |
| Acer plat. Columnar | Acer campestre | Carpinus |
| Acer plat. Emerald Queen | Acer ginnala | Chamaecyparis squarrosa |
| Acer plat. Summershade | Acer griseum | Chionanthus |
| Acer pseudoplatanus | Acer palm. (all varieties) | Cladrastus |
| Acer rubrum (all varieties) | Acer plat. Crimson King | Crataegus |
| Amelanchier (all varieties) | Acer plat. Deborah | Cuppressocyparis |
| Cedrus (all varieties) | Acer plat. Royal Red | Fagus sylv. Asplen. |
| Celtis | Acer plat. Schwedleri | Fagus sylv. Atropu. |
| Chamaecyparis | Acer pseudo. Spaethi | Fagus sylv. Riversi |
| Comus kousa | Acer saccharum (all varieties) | Halesia |
| Cryptomeria | Acer tataricum | Ilex pedunculosa |
| Elaeagnus | Cercidiphyllum | Laburnum |
| Fraxinus (all varieties) | Cercis | Malus (with leaf drop) |
| Ginkgo | Comus florida | Malus tripetala/macrophy |
| Juniperus (all varieties) | Cornus mas | Metasequoia |
| Libocedrus | Cornus controversa | Prunus |
| Liquidambar | Cotinus | Quercus alba |
| Magnolia | Franklinia | Quercus bicolor |
| Morus | Gleditsia (all varieties) | Quercus coccinea |
| Myrica | Hamamelis | Quercus phellos |
| Phellodendron | Ilex aquip. San Jose | Quercus robur |
| Picea (after July 1) | Ilex mes. Blue Girl | Quercus shumardii |
| Poncirus | Ilex opaca | Salix |
| Prunus (after July 1) | Ilex verticillata | Sorbus |
| Pseudotsuga (after July 1) | Nyssa | Styrax |
| Quercus palustris | Ostrya | Taxodium |
| Sophora | Oxydendrum | Viburnum sieboldi |
| Thuja | Platanus (leaf drop with regeneration) | Viburnum tomentosum |
| Tsuga (after July 1) | Pyrus | |
| Zelkova | Stewartia | |
| Syringa | ||
| Tilia cordata | ||
| Tilia euchlora | ||
| Tilia tomentosum | ||
| Ulmus | ||
| Viburnum prunifolium | ||
| Viburnum rhytidophyllum |