Maryland & District of Columbia Planting Zones & Schedule

Maryland’s USDA growing zones range from Zone 5b in the far western mountains to Zone 8a near the Chesapeake Bay and the District of Columbia. The western highlands experience cooler temperatures suited for hardy crops like spinach, beets, and broccoli.

Moving eastward toward Baltimore, Annapolis, and D.C., the climate becomes warmer and more humid, falling into Zones 7a to 8a. These conditions are ideal for longer growing seasons and crops like tomatoes, peppers, and herbs.

 

Maryland Last & First Frost Dates

  • *Keep in mind that frost can occur before or after these dates. Watch your local weather to determine the best time to plant.

  • The growing season in Maryland averages about 170 days statewide but ranges from 155 days in the west and up to 230 days along the east coast. Refer to the planting schedules below to determine the best timing for your zone.

Zone 5 Planting Schedule

Zone 6 Planting Schedule

Zone 7 Planting Schedule

Zone 8 Planting Schedule