When to plant mustard greens in Atlanta, Georgia
February 24 – March 10
Direct-sow outdoors · typical Atlanta yearClimate basis: NOAA station Atlanta Fulton Co AP, GA (USW00003888), 8 mi (13 km) from downtown Atlanta (ZCTA 30303 centroid), elevation 840 ft, on the 1991–2020 climate normals. Direct-sow mustard greens from approximately the dates above, anchored to the median last spring 32°F freeze (March 24). One year in ten still freezes after April 10.
The Atlanta year
- indoors under lights
- in the garden
- frost-free season
- 1-in-10 years still freeze to Apr 10
Every method, with its sources
Direct-sow outdoors
Feb 24 – Mar 10Purdue lists mustard under both hardy (4–6 weeks before the last frost) and semi-hardy (2–4 weeks before); the later semi-hardy start is used. Anchored to the median last spring freeze (Mar 24). Purdue University Extension
Fall planting
Sep 13 – Oct 11Purdue Table 2: plant fall mustard greens at least 4–8 weeks before the first fall frost. Anchored to the median first fall freeze (Nov 8). Purdue University Extension
These windows describe typical years (1991–2020 climate normals), not this year's forecast. Freezes happen outside them — especially in frost pockets, valleys, and urban edges. Watch the forecast before committing tender plants.
Crop rule sources (1)
- Purdue University Extension: Indiana Vegetable Planting Calendar (HO-186-W) (accessed 2026-07-24)Hardiness classes: hardy = plant 4-6 wk before last spring frost; semi-hardy = 2-4 wk before; tender = after average last frost; very tender = at least 2 wk after. Table 2: fall planting at least 4-8 wk before first fall frost.