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When to plant in Arbutus, MD

USDA Zone 7b

Everything below — frost dates, hardiness zone, and what to plant when in Arbutus, Maryland — is derived from the closest NOAA station with complete climate normals.

Arbutus enjoys a long ~242-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. In zone 7b, Arbutus supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.

Station · MD SCI CTR BALTIMORE · 8.4 km
Last spring frost
March 24
50% chance · 32°F
First fall frost
November 21
50% chance · 32°F
Growing season
242 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for ArbutusA year-band showing 32°F frost risk from January to December for Arbutus: last spring frost around March 24, first fall frost around November 21, about 242 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

MD SCI CTR BALTIMORE · 1991–2020

The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Arbutus’s own odds, recorded at MD SCI CTR BALTIMORE.

Frost-probability curves for ArbutusProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 24 and the first fall frost around November 21, giving about 242 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FApr 15Apr 3Mar 22Oct 29Nov 10Nov 24
32°FApr 4Mar 24Mar 8Nov 7Nov 21Dec 8
28°FMar 26Mar 11Feb 24Nov 18Dec 5Dec 25

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowin 13 days
Brussels Sprouts
August 1August 15
Fall sowin 27 days
Rutabaga
August 15August 29

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Arbutus, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 13 km · complete 32°F normals

When stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.

MD SCI CTR BALTIMORE
Primary
8 km · 6 m elevation
SPRING
Mar 24
FALL
Nov 21
BALTIMORE WASH INTL AP
8 km · 48 m elevation
SPRING
Apr 10
FALL
Oct 31
CYLBURN
13 km · 72 m elevation
SPRING
Apr 2
FALL
Nov 7

Arbutus planting FAQ

When is the last spring frost in Arbutus, MD?

Arbutus's average last spring frost falls near March 24 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.

When is the first fall frost in Arbutus, MD?

The first fall frost in Arbutus typically arrives around November 21 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Arbutus in?

Arbutus is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.

How long is the growing season in Arbutus?

Arbutus has about 242 frost-free days — a long growing season — between the average last spring frost (March 24) and first fall frost (November 21).

When should I plant tomatoes in Arbutus?

For Arbutus, sow tomatoes indoors about January 27–February 10 and move the seedlings out around March 31, after the last spring frost.

Planting reminders

Never miss a window in Arbutus

An email when it’s time to start seeds, transplant, and sow — timed to Arbutus’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at MD SCI CTR BALTIMORE, 8 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Arbutus, MD — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093784. Retrieved from https://blissgarden.com/maryland/arbutus.
When to Plant in Arbutus, MD — Frost Dates & Zone 7b — BlissGarden