When to plant · 6 cities · zones 7a–8a

When to plant basil in Maryland

Start Genovese Basil seeds indoors around Mar 8 and transplant around Apr 19 — the Maryland statewide median, counted from a last spring frost of Apr 5 across 488 ZIP codes and 54 NOAA stations.

Mar 8Start indoors4 weeks before last frost
Apr 19Plant outApr 10 – May 6 across the state
Apr 5Last spring frostmedian · 1 in 10 years after Apr 19
Jun 18First harvest60 days from transplant

The rule: Basil is damaged below about 50 °F, well before frost: transplant two weeks after the last frost, not on it.

Maryland basil, by step

Statewide median last frost Apr 5, first fall frost Nov 5, 2027 season. Each cultivar's own indoor lead time and days to maturity, same engine as the Plan Builder.

CultivarStart indoorsPlant outFirst harvestDays
Genovese BasilGenoveseMar 8Apr 19Jun 1860 from transplant

Tight means first harvest lands within two weeks of the median first fall frost. Statewide dates are the ZIP-weighted median of every NOAA 1991–2020 station Maryland's ZIP codes resolve to.

Basil in Maryland, city by city

Genovese Basil, scheduled from each city's nearest NOAA station — the same dates as its frost page.

CityLast frostStart indoorsPlant outFirst harvest
Baltimorezone 8aMar 24Feb 24Apr 7Jun 6
Frederickzone 7bApr 2Mar 5Apr 16Jun 15
Gaithersburgzone 7bApr 1Mar 4Apr 15Jun 14
Rockvillezone 7bApr 1Mar 4Apr 15Jun 14
Bowiezone 7aApr 22Mar 25May 6Jul 5
Hagerstownzone 7aApr 7Mar 10Apr 21Jun 20

What Maryland basil need

SeedsThe cultivar decides the sauce. Everything downstream is damage control.
  • Genovese Sweet Basil Seed

    The large-leaf, low-anise Italian basil that pesto is defined by. Thai and lemon basils are good plants and wrong ingredients.

StartSoil temperature and light intensity, indoors, weeks before your frost date.
  • Organic Seed Starter Potting MixMust have

    Seed-starting mix is not potting soil with a nicer label — it is finer, lighter, and low in nutrients on purpose, because a seedling's first roots want air and moisture, not fertiliser.

  • T8 Full-Spectrum Grow Lights, 1 ft 4-packMust have

    A south window in March delivers a fraction of the light a pepper seedling needs, and the plant tells you by stretching. Two inches of LED above the canopy for 16 hours a day fixes it permanently.

GrowRoot volume, nutrition and structure. Where most home crops actually fail.
  • 5-Gallon Fabric Grow Bags, 5-Pack

    Fabric pots air-prune roots and drain faster than a plastic pot can, which is the entire reason container tomatoes fail. Five gallons is the honest minimum for a pepper; a tomato wants ten.

  • Ocean Forest Potting SoilMust have

    Pre-charged with enough nutrition to carry a transplant for its first month without feeding, which is exactly the window when most container plants stall.

HarvestTiming, handling, and weighing what you actually got.
  • 6" Micro-Tip Pruning SnipsMust have

    Ninety percent of sauce-garden cutting is snipping a pepper stem or a basil node, and a fine-tipped snip does it better than any pruner. Pulling peppers by hand tears the branch.

CookReduction, texture, and the non-reactive pans that keep tomato tasting like tomato.
  • Mesh Strainers, Stainless, 3-Count

    The last pass before bottling. A fine mesh catches the skin fragments and seed shards that make a hot sauce gritty and clog a woozy bottle's dripper insert.

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Basil in Maryland: questions

When should I plant basil in Maryland?

Transplant around Apr 19 at the statewide median; across the state that date runs from Apr 10 in the warmest tenth of Maryland's ZIP codes to May 6 in the coldest. To cut the freeze risk to one year in ten, count from Apr 19 instead of the median last frost. Use the city table for your own town.

When do I start basil seeds indoors in Maryland?

Around Mar 8 for Genovese Basil: 4 weeks before the statewide median last frost, on soil held at 70–80 °F.

When is the last frost in Maryland?

The ZIP-weighted median of NOAA 1991–2020 station medians is Apr 5. In the warmest tenth of Maryland's ZIP codes the median last frost falls on or before Mar 27; in the coldest tenth, on or after Apr 22.

When will Maryland basil be ready to harvest?

Genovese Basil planted on the statewide date is ready around Jun 18: 60 days from transplant.

More for Maryland

Basil in every state → · Maryland frost dates → · How frost-date math works →