Zone 8a monthly plan
March planting calendar for zone 8a
These actions use zone 8a's typical frost dates and each crop's extension-sourced planting window.
- Last spring frost
- March 29
- First fall frost
- November 7
- Exact actions
- 84
Get dates for your exact ZIP
Zone averages cover wide areas. Your nearest NOAA station gives a more local frost window.
Planting jobs
Your March checklist
Search a crop or narrow the list by garden action. Dates are shifted from zone 8a's typical frost window.
84 matching actions, with 15 shown first
Start indoors
13- Bitter Melon
vegetable
March 10 sources
- Bok Choy
vegetable
February 15 to March 10 sources
- Cucamelon
vegetable
February 15 to March 10 sources
- Cucumber
vegetable
March 10 sources
- Fennel
herb
February 15 to March 10 sources
Show 8 more start indoors
- French SorrelMarch 8
- Ground CherryFebruary 8 to March 1
- MarigoldFebruary 15 to March 1
- MoonflowerFebruary 15 to March 1
- NasturtiumFebruary 15 to March 1
- New Zealand SpinachMarch 1 to March 8
- RomanescoFebruary 15 to March 1
- TomatilloFebruary 8 to March 1
Transplant outdoors
30- Ageratum
flower
March 29 to April 120 sources
- March 29 to April 12
0 sources
- Black-Eyed Susan
flower
March 29 to April 120 sources
- Broccoli
vegetable
March 8 to March 150 sources
- Cabbage
vegetable
March 8 to March 150 sources
Show 25 more transplant outdoors
- CantaloupeMarch 29 to April 12
- CauliflowerMarch 15 to March 22
- CeleriacMarch 15
- CollardsMarch 15
- CucumberMarch 29 to April 12
- DahliaMarch 29 to April 12
- EggplantMarch 29 to April 12
- English LavenderMarch 29 to April 12
- French TarragonMarch 29
- Globe AmaranthMarch 29 to April 12
- Globe ArtichokeMarch 1 to March 8
- Ground CherryMarch 29 to April 12
- ImpatiensMarch 29 to April 12
- KaleFebruary 22 to March 1
- LettuceMarch 29
- MarigoldMarch 29 to April 12
- PepperMarch 29 to April 12
- PetuniaMarch 29 to April 12
- RomanescoMarch 29
- SpinachMarch 29
- Sweet AlyssumMarch 22 to March 29
- Swiss ChardMarch 29
- TomatoMarch 29 to April 12
- WatermelonMarch 29 to April 12
- Wax BegoniaMarch 29 to April 12
Direct sow
41- Basil
herb
March 290 sources
- Beet
vegetable
March 8 to March 150 sources
- Bok Choy
vegetable
March 290 sources
- Borage
herb
March 290 sources
- Broccoli
vegetable
March 8 to March 150 sources
Show 36 more direct sow
- CabbageMarch 8 to March 15
- CantaloupeMarch 29 to April 12
- CarrotMarch 8 to March 15
- CauliflowerMarch 15 to March 22
- CollardsMarch 8
- CosmosMarch 29 to April 12
- CucamelonMarch 29
- CucumberMarch 29 to April 12
- DillMarch 29
- FennelMarch 29
- German ChamomileMarch 22 to March 29
- Green Bean (Snap Bean)March 22
- KaleFebruary 22 to March 1
- KohlrabiMarch 1 to March 15
- LettuceMarch 8 to March 15
- Luffa GourdMarch 29
- MarigoldMarch 29 to April 12
- Mexican SunflowerMarch 29 to April 12
- Mustard GreensMarch 8 to March 29
- NasturtiumMarch 29 to April 12
- New Zealand SpinachMarch 29 to April 5
- ParsleyMarch 29
- ParsnipMarch 8 to March 15
- PotatoMarch 8 to March 15
- PumpkinMarch 29 to April 12
- RadishMarch 8 to March 15
- SpinachMarch 1 to March 8
- SunflowerMarch 29 to April 12
- Sweet AlyssumMarch 1 to March 15
- Sweet CornMarch 29 to April 12
- Sweet MarjoramMarch 29
- Swiss ChardMarch 1 to March 8
- TomatilloMarch 15
- WatermelonMarch 29 to April 12
- Winter SquashMarch 29 to April 12
- ZucchiniMarch 29 to April 12
How this checklist is sourced
USDA defines the hardiness zone, NOAA normals provide the typical frost anchors, and each crop's extension source supplies the planting offset. Broad season-only notes are kept on plant profiles because they do not change from one zone page to another.
- USDA Plant Hardiness Zone Map, 2023 by USDA Agricultural Research Service / Oregon State University PRISM Group. the USDA hardiness-zone band.
- U.S. Climate Normals 1991-2020 by NOAA National Centers for Environmental Information. the median spring and fall freeze dates.
Local conditions vary.