What to Plant in March in Zone 6
193 crops you can start in zone 6a & 6b during March. The dates are worked out from zone 6's typical frosts: last spring frost around Apr 25, first fall frost around Oct 15. Each crop links to its full dates for zone 6.
Start indoors in March
Seeds to start under lights or on a sunny sill this month. Dates are the indoor-start window for zone 6.
Vegetables & herbs
- Anise HyssopMar 14–Mar 21
- BasilMar 14–Mar 21
- Bok ChoyMar 21–Mar 28
- BroccoliMar 14–Mar 21
- BroccoliniMar 21–Mar 28
- Brussels SproutsMar 14–Mar 21
- CabbageMar 14–Mar 21
- CatmintMar 7–Mar 14
- CatnipMar 7–Mar 14
- CauliflowerMar 14–Mar 21
- Celtuce (Stem Lettuce)Mar 28–Apr 4
- Chamomile (German)Mar 14–Mar 21
- Collard GreensMar 7–Mar 14
- CucamelonMar 28–Apr 4
- Escarole (Endive)Mar 28–Apr 4
- Fennel (Florence/bulbing)Mar 21–Mar 28
- Flower SproutsMar 14–Mar 21
- Garlic Chives (Chinese Leeks)Mar 7–Mar 14
- Ground Cherry (Husk Cherry)Mar 7–Mar 14
- KaleMar 14–Mar 21
- KalettesMar 14–Mar 21
- KohlrabiMar 21–Mar 28
- Lemon BalmMar 21–Mar 28
- LettuceMar 28–Apr 4
- LovageMar 7–Mar 14
- Luffa GourdMar 28–Apr 4
- Malabar SpinachMar 14–Mar 21
- Marjoram (Sweet)Mar 7–Mar 14
- MaukaMar 14–Mar 21
- Mountain MintMar 7–Mar 14
- Napa Cabbage (Chinese Cabbage)Mar 28–Apr 4
- OkraMar 28–Apr 4
- RadicchioMar 28–Apr 4
- RueMar 7–Mar 14
- Salad BurnetMar 7–Mar 14
- SorrelMar 21–Mar 28
- Summer SavoryMar 14–Mar 21
- Swiss ChardMar 28–Apr 4
- TomatilloMar 7–Mar 14
- TomatoMar 14–Mar 21
- ValerianMar 14–Mar 21
- Winter SavoryMar 7–Mar 14
Flowers
- Ageratum (Flossflower)Mar 7–Mar 14
- Agrostemma (Corn Cockle)Mar 28–Apr 4
- Amaranthus (Love-Lies-Bleeding)Mar 21–Mar 28
- Ammi (False Queen Anne's Lace)Mar 21–Mar 28
- Ammobium (Winged Everlasting)Mar 14–Mar 21
- Angelonia (Summer Snapdragon)Mar 7–Mar 14
- Bachelor's Button (Cornflower)Mar 7–Mar 14
- Bells of IrelandMar 7–Mar 14
- Black-Eyed SusanMar 7–Mar 14
- Black-Eyed Susan VineMar 14–Mar 21
- Bupleurum (Thoroughwax)Mar 7–Mar 14
- CalendulaMar 7–Mar 14
- Campanula (Bellflower)Mar 7–Mar 14
- CarnationMar 7–Mar 14
- Carthamus (Safflower)Mar 28–Apr 4
- CelosiaMar 7–Mar 14
- Cerinthe (Honeywort)Mar 14–Mar 21
- China AsterMar 7–Mar 14
- Clarkia (Farewell-to-Spring)Mar 28–Apr 4
- Cleome (Spider Flower)Mar 7–Mar 14
- Coreopsis (Tickseed)Mar 7–Mar 14
- CosmosMar 21–Mar 28
- Craspedia (Drumstick Flower)Mar 7–Mar 14
- Cynoglossum (Chinese Forget-Me-Not)Mar 28–Apr 4
- Echinops (Globe Thistle)Mar 7–Mar 14
- Euphorbia (Snow-on-the-Mountain)Mar 21–Mar 28
- FeverfewMar 14–Mar 21
- Gaillardia (Blanket Flower)Mar 7–Mar 14
- GazaniaMar 14–Mar 21
- Gomphrena (Globe Amaranth)Mar 7–Mar 14
- Gypsophila (Baby's Breath)Mar 7–Mar 14
- Helipterum (Paper Daisy)Mar 7–Mar 14
- MarigoldMar 14–Mar 21
- MoonflowerMar 21–Mar 28
- Nicotiana (Flowering Tobacco)Mar 14–Mar 21
- Orlaya (Laceflower)Mar 21–Mar 28
- Phlox (Annual)Mar 21–Mar 28
- Portulaca (Moss Rose)Mar 7–Mar 14
- Scabiosa (Pincushion Flower)Mar 7–Mar 14
- Shasta DaisyMar 7–Mar 14
- Spilanthes (Toothache Plant)Mar 14–Mar 21
- StaticeMar 14–Mar 21
- StockMar 14–Mar 21
- StrawflowerMar 7–Mar 14
- Sweet AlyssumMar 7–Mar 14
- Sweet Annie (Artemisia)Mar 14–Mar 21
- Sweet WilliamMar 7–Mar 14
- Tithonia (Mexican Sunflower)Mar 14–Mar 21
- Xeranthemum (Immortelle)Mar 14–Mar 21
- ZinniaMar 28–Apr 4
Sow or plant outside in March
What goes in the ground this month, either as seed or as a transplant. Dates are the planting-out window for zone 6.
Vegetables & herbs
- ArugulaDirect sowMar 21–Mar 28
- Mâche (Corn Salad)Direct sowMar 28–Apr 4
- PeaDirect sowMar 14–Mar 21
- RadishDirect sowMar 28–Apr 4
- SpinachDirect sowMar 28–Apr 4
- Wild BergamotDirect sowMar 28–Apr 4
Fruit
- BlackberryPlant a nursery startMar 28–Apr 4
- BlueberryPlant a nursery startMar 28–Apr 4
- CurrantPlant a nursery startMar 28–Apr 4
- GooseberryPlant a nursery startMar 28–Apr 4
- Nanking CherryPlant a nursery startMar 28–Apr 4
- RaspberryPlant a nursery startMar 28–Apr 4
Flowers
- Bleeding HeartDirect sowMar 28–Apr 4
- LarkspurDirect sowMar 28–Apr 4
- Penstemon (Beardtongue)Direct sowMar 28–Apr 4
- Sweet PeaDirect sowMar 14–Mar 21
Still time to start indoors
The usual indoor-start date for these has passed, but planting-out hasn't come yet. Seed started now still makes a transplant, just a smaller one. Buying starts is the easy alternative. Dates are when they go outside.
Vegetables & herbs
- AchiraPlant outMay 9–May 16
- ArtichokePlant outApr 4–Apr 11
- Celeriac (Celery Root)Plant outApr 11–Apr 18
- CeleryPlant outApr 11–Apr 18
- ChervilPlant outApr 11–Apr 18
- ChivesPlant outApr 11–Apr 18
- Cutting Celery (Leaf Celery)Plant outApr 25–May 2
- EggplantPlant outMay 9–May 16
- HyssopPlant outMay 2–May 9
- LeekPlant outApr 4–Apr 11
- OnionPlant outApr 4–Apr 11
- OreganoPlant outMay 2–May 9
- ParsleyPlant outApr 11–Apr 18
- RosellePlant outMay 9–May 16
- RosemaryPlant outMay 9–May 16
- SagePlant outMay 9–May 16
- SkirretPlant outApr 25–May 2
- Sweet PotatoPlant outMay 16–May 23
- ThymePlant outMay 2–May 9
- TobaccoPlant outMay 9–May 16
- White SagePlant outApr 25–May 2
- YaconPlant outMay 16–May 23
- Za'atar OreganoPlant outMay 9–May 16
Peppers
- 7 Pot Douglah Pepper (Chocolate 7 Pot)Plant outMay 9–May 16
- 7 Pot Primo PepperPlant outMay 9–May 16
- Aji Amarillo PepperPlant outMay 9–May 16
- Anaheim Pepper (New Mexico, Hatch)Plant outMay 9–May 16
- Bell PepperPlant outMay 9–May 16
- Carolina Reaper PepperPlant outMay 9–May 16
- Cayenne PepperPlant outMay 9–May 16
- Chile de Árbol PepperPlant outMay 9–May 16
- Cubanelle PepperPlant outMay 9–May 16
- Datil PepperPlant outMay 9–May 16
- Dorset Naga PepperPlant outMay 9–May 16
- Fresno PepperPlant outMay 9–May 16
- Ghost Pepper (Bhut Jolokia)Plant outMay 9–May 16
- Guajillo Pepper (Mirasol)Plant outMay 9–May 16
- Habanero PepperPlant outMay 9–May 16
- Hungarian Wax PepperPlant outMay 9–May 16
- Italian Frying Pepper (Corno di Toro, Marconi)Plant outMay 9–May 16
- Jalapeño PepperPlant outMay 9–May 16
- Komodo Dragon PepperPlant outMay 9–May 16
- Lemon Drop PepperPlant outMay 9–May 16
- Mini Sweet Pepper (Snacking)Plant outMay 9–May 16
- Naga Viper PepperPlant outMay 9–May 16
- Padrón PepperPlant outMay 9–May 16
- Pasilla Pepper (Chilaca)Plant outMay 9–May 16
- Pimento PepperPlant outMay 9–May 16
- Poblano Pepper (Ancho)Plant outMay 9–May 16
- Rocoto PepperPlant outMay 9–May 16
- Scotch Bonnet PepperPlant outMay 9–May 16
- Serrano PepperPlant outMay 9–May 16
- Shishito PepperPlant outMay 9–May 16
- Superhot Pepper (Ghost, Reaper, Scorpion)Plant outMay 9–May 16
- Sweet Banana PepperPlant outMay 9–May 16
- Sweet Cherry PepperPlant outMay 9–May 16
- Tabasco PepperPlant outMay 9–May 16
- Thai Chili Pepper (Bird's Eye)Plant outMay 9–May 16
- Trinidad Moruga Scorpion PepperPlant outMay 9–May 16
- Trinidad Scorpion Butch T PepperPlant outMay 9–May 16
Flowers
- Annual Geranium (Pelargonium)Plant outMay 2–May 9
- Butterfly Weed (Asclepias)Plant outMay 2–May 9
- Chrysanthemum (Garden Mum)Plant outMay 9–May 16
- ColeusPlant outMay 9–May 16
- ColumbinePlant outMay 2–May 9
- Dusty MillerPlant outMay 2–May 9
- Eryngium (Sea Holly)Plant outMay 2–May 9
- EucalyptusPlant outMay 2–May 9
- FoxglovePlant outMay 2–May 9
- ImpatiensPlant outMay 9–May 16
- Johnny Jump UpPlant outApr 11–Apr 18
- LisianthusPlant outMay 2–May 9
- LobeliaPlant outMay 2–May 9
- OsteospermumPlant outMay 2–May 9
- Pansy / ViolaPlant outApr 11–Apr 18
- PetuniaPlant outMay 9–May 16
- PrimulaPlant outApr 11–Apr 18
- Purple ConeflowerPlant outApr 4–Apr 11
- Salvia (Scarlet Sage)Plant outMay 9–May 16
- SnapdragonPlant outApr 18–Apr 25
- Torenia (Wishbone Flower)Plant outMay 9–May 16
- VerbenaPlant outMay 2–May 9
- Vinca (Madagascar Periwinkle)Plant outMay 9–May 16
- Wax BegoniaPlant outMay 9–May 16
- YarrowPlant outApr 25–May 2
← February in zone 6 · April in zone 6 →
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March in other zones: zone 2, zone 3, zone 4, zone 5, zone 7, zone 8, zone 9, zone 10, zone 11
Worth having in March
VIVOSUN Seedling Heat Mat with Digital ThermostatWarm soil means faster, more even germination for indoor starts.Check price on Amazon →AC Infinity Humidity Dome, Heavy-Duty Germination KitKeeps a freshly sown tray moist until the seeds are up.Check price on Amazon →Luster Leaf Rapitest Soil Test KitTest pH and nutrients before planting, so you only add what's missing.Check price on Amazon →
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What to plant in March in zone 6: 193 crops to start indoors or plant outside, including pea, spinach, kale, broccoli, with exact dates for zone 6a and 6b.
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