What to Plant in March in Zone 9

Here is what you can sow in March if you garden in USDA zone 9. Dates use typical zone 9 frosts, so your own microclimate may shift them by a week or two.

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CropWindowSow between
Tomato, slicingBig BeefspringFeb 27Apr 29
Tomato, cherrySun GoldspringFeb 27Apr 29
Tomato, pasteAmish PastespringFeb 27Apr 29
Pepper, bellAcespringMar 8Apr 29
Pepper, hotJalapeñospringMar 8Apr 29
EggplantNadiaspringMar 13Apr 29
Cucumber, slicingMarketmore 76springFeb 27May 29
Cucumber, picklingExcelsiorspringFeb 27May 29
Squash, summerZucchini DunjaspringFeb 27Jun 12
Squash, winterWaltham ButternutspringMar 29May 13
WatermelonCrimson SweetspringMar 13Apr 29
CantaloupeHale's BestspringMar 13Apr 29
OkraClemson SpinelessspringMar 13May 13
Sweet CornInspirationspringFeb 27May 29
Bush BeanProviderspringFeb 20Apr 12
Pole BeanKentucky WonderspringFeb 27Apr 29
Sweet PotatoBeauregardspringMar 29May 13
BasilGenovesespringMar 13May 29
Swiss ChardBright LightsspringJan 27Mar 13
Lima Bean (Bush)HendersonspringFeb 27Apr 21
Edamame (Soybean)EnvyspringFeb 27Apr 26
Southern Pea (Black-Eyed Pea)California Blackeye No. 5springMar 6May 6
Garbanzo Bean (Chickpea)SierraspringFeb 6Mar 13
Bean, dryPintospringFeb 27Apr 21
Corn, dent (grinding)Reid's Yellow DentspringFeb 27Apr 6
Amaranth, grainGolden GiantspringMar 6Apr 11
Sorghum, grainMennonitespringMar 6Apr 11
Pigeon peaGeorgia-2 (early dwarf)springMar 6Apr 1
Amaranth LeafRed GarnetspringFeb 20Mar 13
New Zealand SpinachCommonspringFeb 20Mar 6
TomatilloToma VerdespringFeb 27Apr 29
Ground CherryAunt Molly'sspringFeb 27Apr 29
Honeydew MelonEarli-DewspringMar 13Apr 29
Spaghetti SquashTivolispringMar 13May 6
Acorn SquashTable QueenspringMar 13May 6
Luffa GourdSmooth LuffaspringMar 13May 6
Sunflower, confectionMammoth Grey StripespringMar 6May 6
Strawberry, day-neutralAlbionspringFeb 6Mar 13
Pepper, bananaSweet BananaspringMar 8Apr 29
Pepper, poblanoPoblanospringMar 8Apr 29
Pepper, serranoSerrano TampiquenospringMar 8Apr 29
Pepper, cayenneLong SlimspringMar 8Apr 29
Pepper, shishitoShishitospringMar 8Apr 29
Pepper, habaneroOrange HabanerospringMar 8Apr 29
DillFernleafspringFeb 13Apr 3
OreganoGreekspringFeb 13Apr 3
ThymeEnglishspringFeb 13Apr 3
RosemaryTuscan BluespringFeb 20Apr 3
SageBroadleafspringFeb 20Apr 3
MintSpearmintspringFeb 20Apr 17
ChivesCommonspringFeb 6Apr 3
TarragonFrenchspringMar 13May 1
MarjoramSweet MarjoramspringMar 6May 15
ChervilCurledspringJan 30Mar 6
Lemon BalmCommonspringMar 6May 1
Summer SavoryCommonspringMar 6May 15
BlueberryBluecrop (northern highbush)springFeb 6Mar 22
Raspberry, redHeritage (everbearing)springJan 30Mar 6
BlackberryTriple Crown (thornless)springFeb 6Mar 13
Strawberry, June-bearingHoneoyespringFeb 6Mar 13
GooseberryHinnonmaki RedspringJan 30Mar 6
ElderberryAdamsspringFeb 6Mar 22
AsparagusJersey KnightspringJan 30Mar 6
RhubarbVictoriaspringJan 21Mar 6
HorseradishBig TopspringFeb 6Mar 22
Sunchoke (Jerusalem Artichoke)StampedespringJan 30Mar 13
GingerBaby Ginger (Hawaiian)springMar 22Apr 18
TurmericHawaiian RedspringMar 22Apr 21
PeanutValenciaspringMar 6Apr 6
LavenderMunstead (English)springFeb 20Apr 3
LemongrassWest IndianspringMar 13Apr 21
Bay LaurelSweet BayspringMar 6Apr 21
BorageCommonspringFeb 20May 1
SteviaSweet LeafspringMar 6Apr 6
Catmint (Catnip)Nepeta catariaspringFeb 20Apr 21
Shiso (Perilla)BrittonspringMar 13May 1
Scarlet Runner BeanScarlet EmperorspringFeb 27Apr 21
PopcornRobust PopspringFeb 27Apr 21
Cucamelon (Mouse Melon)Melothria scabraspringMar 6Apr 21
Malabar SpinachRed StemspringMar 13May 1
TomatospringFeb 27Apr 29
Pepper, sweetspringMar 8Apr 29
CucumberspringFeb 27May 29
BeanspringFeb 20Apr 12
NasturtiumJewel MixspringFeb 20Apr 3
Calendula (Pot Marigold)ResinaspringJan 30Mar 6
Chamomile, GermanCommonspringFeb 6Mar 20
Cress, gardenCurledspringJan 13Mar 6
Currant, redRed LakespringJan 30Mar 6

Zone 9 in March

Zone 9 in March: peppers and melons arrive as bare root season closes

Heat lovers get their turn

Pepper and eggplant transplants want soil past 60 degrees measured 4 to 6 inches down, the transplant depth rather than a seed reading, which most zone 9 beds clear by now. Watermelon and cantaloupe run warmer still, needing a shallower 2-inch check to hold 65 before their seed is worth trusting to the ground, and okra tracks close behind that same mark. Push a soil thermometer into the bed before transplanting pepper; a reading still short of that 60-degree mark is reason enough to wait another week rather than shock young roots into stalling.

Ginger and turmeric also start now and need close to 9 months of frost free growth to bulk up rhizomes worth digging, so tuck them into a spot with afternoon shade once summer highs climb past 90, and keep the soil moist but never soggy.

Bare root planting closes out

Blueberry, raspberry, gooseberry, currant, and elderberry are best planted while still dormant, and March is the last realistic month before rising heat stresses new bare root stock before roots establish. Soak roots in a bucket of water for an hour before planting and trim off anything that looks black or mushy rather than leaving damaged tissue in the hole.

Asparagus and rhubarb crowns fall into the same window, though rhubarb is worth treating as an experiment here rather than a sure thing, since it wants a real stretch of chilling, generally cited as 32 to 45 degrees, to break dormancy well, and it often sulks through a mild zone 9 winter that never delivers enough hours in that range.

A few greens make their final entry

Swiss chard, garbanzo beans, amaranth leaf, and New Zealand spinach are all planting their last round before summer heat turns them bitter or stalls germination, so treat any of these still on your list as a now or never job, and give amaranth leaf a spot with light afternoon shade so it holds quality a few extra weeks.

Calendula, garden cress, and chamomile round out the closing list; sow them thickly since germination rates on older seed packets drop after a year in storage, and a quick test, 10 seeds on a damp paper towel checked after 7 days, tells you whether a packet is worth planting or better composted.

March in zone 9: common questions

What can I plant in March in zone 9?+

In March, USDA zone 9 gardeners can sow Tomato, slicing, Tomato, cherry, Tomato, paste, Pepper, bell, Pepper, hot, Eggplant, and more. Dates use typical zone 9 frosts, so your own microclimate may shift them by a week or two.

What USDA hardiness zone am I in?+

Zone 9 is one band of the map, but planting time is set by your local frost dates, not the zone number. Enter your ZIP code in the free planner and it uses your actual frost dates, which can differ by weeks within a single zone.

Are these March planting dates exact?+

They are typical zone 9 windows. Two gardens in the same zone can be a week or two apart because of elevation and local climate, so treat these as a starting point and tune them to your ZIP code with the free planner.