Your zip code 20149 is in Zone: 6b with a temperature range of: -5 to 0 °F.
These Plants are Suitable for your USDA Zone
Dianthus Hybrid ‘Uribest52’ PP28239
Thuja plicata ‘4EVER’ PP19267
Prunus salicina x ‘Splash’
Rosa Hybrid ‘Meigremlis’ PP25950
Ilex crenata ‘Adorned’
Veronica spicata ‘Verspi’ PP29780
