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
Heucherella ‘Pink Fizz’ PP26947
Buxus microphylla ‘FWBM01’
Buddleia davidii ‘TMBU08/3’ PPAF
Buddleia davidii ‘Tobud1305’
Crapemyrtle Lagerstroemia ‘JM1’ PP31585
Leucanthemum superbum “L1209-1” PPAF
Hydrangea macrophylla ‘Hortmagitri’ PP30044
Thuja plicata ‘BLTP’
Buxus microphylla ‘Grejade’ PP26656
Festuca glauca ‘Casca11’ PP23307
Nandina domestica ‘AKA’ PP19916
Abelia hybrid ‘Conti’
Echinacea hybrid ‘Adam Saul’ PP21023
Veronica spicata ‘Novaverblu’ PP26602
Hydrangea macrophylla ‘Wyatt LeFever’
Buxus microphylla ‘Gregem’ PP21159
Cornus angustata ‘Elsbry’
Carex oshimensis ‘Everillo’ PP21002
