| Environmental group | Types | Where to apply |
|---|
| Tall forest ash trees of fertile soils | F. excelsior, F. americana, F. mandshurica | Deep forest soils, parks, valleys |
| Floodplain and moisture-loving | F. angustifolia, F. pennsylvanica, F. nigra, F. latifolia | Rivers, wet lowlands, temporarily flooded areas |
| Dry limestone slopes | F. ornus, F. quadrangulata, F. albicans, F. syriaca | Southern slopes, carbonate soils, forest-steppe |
| Hot dry valleys | F. velutina, F. sogdiana | Continental and semi-desert regions with deep moisture |
| Cold continental forests | F. mandshurica, F. nigra, F. pennsylvanica | Frosty areas with sufficient moisture |
| Subtropical and evergreen | F. uhdei, F. griffithii | Warm zones without severe frosts |
| Ornamental flowering | F. ornus | Parks, forest edges, gardens, streets |