Zone 8b planting calendar

What to plant in March: zone 8b

Zone 8b averages its last spring frost around March 20 and its first fall frost around November 25. Everything below is timed from those two dates, so it stays useful whether you're planting for summer or for a fall harvest.

These are zone-average dates. Check an area-level frost estimate from thirty years of nearby weather history and this calendar retimes itself.

Last frost: March 20

First frost: November 25

Winter lows: 15 to 20 °F

Zone 8b Almanac. What growers here actually recorded: sowing weeks, days to first pick, and yields.

Transplant out

Lettucearound Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Onionaround Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Parsleyaround Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Mintaround Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Cabbagearound Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Caulifloweraround Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Swiss Chardaround Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Collardsaround Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Leekaround Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Napa Cabbagearound Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Romanescoaround Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Endivearound Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Escarolearound Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Radicchioaround Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Sorrelaround Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Bulb Fennel (Florence Fennel)around Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Chamomile (German)around Mar 6
Goes out 2 weeks before last frost. It takes the cold.
Anisearound Mar 27
Safe to set out 1 weeks after last frost. Needs a long, warm, frost-free season to set seed; stake plants, as the thin stalks flop once seed heads fill out.

Direct sow

Potatoaround Mar 6
Soil is ready -2 weeks before last frost.
Cilantroaround Mar 6
Soil is ready -2 weeks before last frost.
Parsleyaround Mar 6
Soil is ready -2 weeks before last frost.
Swiss Chardaround Mar 6
Soil is ready -2 weeks before last frost.
Collardsaround Mar 6
Soil is ready -2 weeks before last frost.
Burdock (Gobo)around Mar 6
Soil is ready -2 weeks before last frost.
Watercressaround Mar 6
Soil is ready -2 weeks before last frost.
Bulb Fennel (Florence Fennel)around Mar 6
Soil is ready -2 weeks before last frost.
Chamomile (German)around Mar 6
Soil is ready -2 weeks before last frost.
Carawayaround Mar 6
Soil is ready -2 weeks before last frost.
Chickpea (Garbanzo)around Mar 13
Soil is ready -1 weeks before last frost.
Quinoaaround Mar 13
Soil is ready -1 weeks before last frost.
Dillaround Mar 20
Soil is ready 0 weeks after last frost.
Bush beanaround Mar 27
Soil is ready 1 weeks after last frost.
Cucumberaround Mar 27
Soil is ready 1 weeks after last frost.
Scarlet Runner Beanaround Mar 27
Soil is ready 1 weeks after last frost.
Dry Bush Beanaround Mar 27
Soil is ready 1 weeks after last frost.
Sunflower (Seed)around Mar 27
Soil is ready 1 weeks after last frost.
Summer Savoryaround Mar 27
Soil is ready 1 weeks after last frost.
Boragearound Mar 27
Soil is ready 1 weeks after last frost.
Shiso (Perilla)around Mar 27
Soil is ready 1 weeks after last frost.
Anisearound Mar 27
Soil is ready 1 weeks after last frost.
Epazotearound Mar 27
Soil is ready 1 weeks after last frost.

Turn this into your own calendar

Want this calendar emailed to you?

Get the full 12-month version for your ZIP area. Every sowing, transplant, and harvest window, with reminders you can add to your calendar.

Build my free plan Find my zone & frost dates