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Zone 10B — March

What to Plant in March in Zone 10B

March in Zone 10B: 3 crops to start indoors, 219 to plant or direct sow outside, and 47 entering harvest window. Last frost averages January 11. Reference city: Los Angeles, CA.
Updated August 12, 2026 · Frost data from NOAA 1991-2020 Climate Normals
3 Start Indoors
219 Plant Outside
47 Harvest
Frost risk: Cleared

Frost season has cleared in Zone 10B. The last spring frost typically passed by January 11, and the very latest 10% chance closed by February 10. Tender crops are safe to plant out.

See full Zone 10B frost outlook →

Start Indoors in March

Plant Type Start Indoors Transplant Outside Harvest Window
Chayote squash vegetable Mar 1 Mar 1 Jun 29 – Jul 29
Dwarf Long Pod Okra vegetable Mar 1 Mar 8 May 2 – May 7
Nopales pads vegetable Mar 1 Mar 1 Perennial — see plant page

Plant Outside in March

Plant Type Action Target Date Harvest Window
Abe Lincoln Tomatoes tomato Transplant Mar 1 May 20 – May 30
Ace 55 Tomatoes tomato Transplant Mar 1 May 15 – May 20
Aji Amarillo Peppers pepper Transplant Mar 1 May 30 – Jun 29
Aji Dulce Peppers pepper Transplant Mar 1 May 30 – Jun 19
Amish Paste Tomatoes tomato Transplant Mar 1 May 14 – May 25
Anaheim Peppers pepper Transplant Mar 1 May 17 – May 25
Ancho Grande Hot Peppers pepper Transplant Mar 1 May 15 – May 25
Anna Russian Tomatoes tomato Transplant Mar 1 May 10
Atkinson Tomatoes tomato Transplant Mar 1 May 10 – May 20
Aunt Ruby's German Green Tomatoes tomato Transplant Mar 1 May 20
Banana Peppers pepper Transplant Mar 8 May 7 – May 17
Beefsteak Tomatoes tomato Transplant Mar 1 May 20 – May 25
Better Boy Tomatoes tomato Transplant Mar 1 May 10 – May 15
Bhut Jolokia Ghost Pepper pepper Transplant Mar 1 May 30 – Jun 29
Big Beef Tomatoes tomato Transplant Mar 1 May 10
Big Bertha Peppers pepper Transplant Mar 8 May 17 – May 20
Big Boy Tomatoes tomato Transplant Mar 1 May 18
Big Jim Hatch Chile pepper Transplant Mar 1 May 10 – May 15
Big Rainbow Tomatoes tomato Transplant Mar 1 May 25 – Jun 4
Birds Eye Hot Peppers pepper Transplant Mar 1 Jun 9 – Jun 19
Bitter melons vegetable Transplant Mar 1 May 15 – May 30
Black Cherry Tomatoes tomato Transplant Mar 1 May 4 – May 15
Black From Tula Tomatoes tomato Transplant Mar 1 May 25
Black Krim Tomatoes tomato Transplant Mar 1 May 15 – May 20
Black Oil Sunflower Microgreens microgreen Transplant Mar 1 Mar 8 – Mar 13
Black Pearl Tomatoes tomato Transplant Mar 1 May 5
Blondkopfchen Tomatoes tomato Transplant Mar 1 May 15 – May 20
Bloody Butcher Corn vegetable Transplant Mar 1 Jun 9 – Jun 19
Bonny Best Tomatoes tomato Transplant Mar 1 May 15 – May 20
Bradley Tomatoes tomato Transplant Mar 1 May 15 – May 20
Broccolini brassica Transplant Mar 1 Apr 20 – May 10
Brussels Sprouts brassica Transplant Mar 1 May 25 – Jun 19
Butternut Squash squash Transplant Mar 1 Jun 9 – Jun 29
California Wonder Peppers pepper Transplant Mar 8 May 19 – May 22
Calypso Tomatoes tomato Transplant Mar 1 May 15 – May 20
Cantaloupe melon Transplant Mar 1 May 20 – May 30
Caribbean Red Scotch Bonnet Pepper pepper Transplant Mar 1 Jun 4 – Jun 29
Caribe Tomatoes tomato Transplant Mar 1 May 15 – May 25
Carmello Tomatoes tomato Transplant Mar 1 May 10 – May 15
Carmen Peppers pepper Transplant Mar 8 May 7 – May 27
Carolina Reaper peppers pepper Transplant Mar 1 May 30 – Jun 29
Casper Eggplant vegetable Transplant Mar 1 May 10
Cayenne Peppers pepper Transplant Mar 1 May 25 – Jun 4
Celebrity Tomatoes tomato Transplant Mar 1 May 10 – May 12
Celeste Fig berry Plant Out Mar 1 Perennial — see plant page
Chadwick's Cherry Tomatoes tomato Transplant Mar 1 May 10 – May 30
Chayote squash vegetable Transplant Mar 1 Jun 29 – Jul 29
Cherokee Purple Tomatoes tomato Transplant Mar 1 May 18 – May 25
Cherry Bomb peppers pepper Transplant Mar 1 May 15 – May 20
Chicago Hardy Fig berry Plant Out Mar 1 Perennial — see plant page
Chinese 5-Color Peppers pepper Transplant Mar 1 May 15 – May 25
Chocolate Bell Sweet Peppers pepper Transplant Mar 1 May 5 – May 20
Chocolate Cherry Tomatoes tomato Transplant Mar 1 May 15 – May 20
Chocolate Habanero Hot Peppers pepper Transplant Mar 1 May 25 – Jun 14
Chocolate Stripes Tomatoes tomato Transplant Mar 1 May 20
Corno di Toro Pepper pepper Transplant Mar 1 May 15 – May 20
Costoluto Genovese Tomatoes tomato Transplant Mar 1 May 10 – May 20
Creole Tomatoes tomato Transplant Mar 1 May 20 – May 30
Crosne tubers root vegetable Transplant Mar 1 Perennial — see plant page
Cubanelle Peppers pepper Transplant Mar 8 May 9 – May 17
Culinary Turmeric root vegetable Transplant Mar 8 Nov 3, 2026 – Jan 2, 2027
Cupid Grape Tomatoes tomato Transplant Mar 1 May 5 – May 10
Dark Opal Basil herb Transplant Mar 1 Apr 30 – May 15
Datil peppers pepper Transplant Mar 1 May 30 – Jun 19
Delica kabocha squash squash Transplant Mar 1 Jun 4 – Jun 19
Delicious Tomatoes tomato Transplant Mar 1 May 15 – May 20
Devils Tongue Yellow Hot Peppers pepper Transplant Mar 1 May 30 – Jun 19
Dolce Fresca Basil herb Transplant Mar 1 Apr 30 – May 10
Dwarf Long Pod Okra vegetable Transplant Mar 8 May 2 – May 7
Early Girl Tomatoes tomato Transplant Mar 1 Apr 22 – May 2
Egg Tomatoes tomato Transplant Mar 1 May 15 – May 20
Emerald Giant Sweet Peppers pepper Transplant Mar 1 May 15 – May 25
Emerald Green Velvet Okra vegetable Transplant Mar 1 Apr 25 – Apr 28
English Lavender herb Transplant Mar 1 Perennial — see plant page
Firecracker Hot Peppers pepper Transplant Mar 1 May 20 – Jun 29
Fish Peppers pepper Transplant Mar 1 May 10 – May 20
Five Star Grape Tomatoes tomato Transplant Mar 1 May 2
Floradade Tomatoes tomato Transplant Mar 1 May 10 – May 15
Florida Market Eggplant vegetable Transplant Mar 1 May 20 – May 30
Fresno Peppers pepper Transplant Mar 1 May 15 – May 20
Gardener's Delight Tomatoes tomato Transplant Mar 1 Apr 30 – May 15
Genovese Basil herb Transplant Mar 1 Apr 30 – May 10
German Johnson Tomatoes tomato Transplant Mar 1 May 25
Ginger root vegetable Transplant Mar 8 Nov 3, 2026 – Jan 2, 2027
Glacier Tomatoes tomato Transplant Mar 1 Apr 25 – Apr 28
Gochugaru Korean Peppers pepper Transplant Mar 1 May 15
Golden Bantam Sweet Corn vegetable Transplant Mar 1 May 9 – May 15
Golden Marconi Sweet Peppers pepper Transplant Mar 1 May 5 – May 20
Golden Sunray Tomatoes tomato Transplant Mar 1 May 15 – May 20
Green Cabbage brassica Transplant Mar 1 Apr 30 – Jun 9
Green Envy Tomatoes tomato Transplant Mar 1 Apr 30 – May 10
Green Globe Artichoke vegetable Transplant Mar 1 Perennial — see plant page
Green Grape Tomatoes tomato Transplant Mar 1 May 5 – May 18
Green Zebra Tomatoes tomato Transplant Mar 1 May 15 – May 18
Gypsy Peppers pepper Transplant Mar 8 May 7 – May 12
Habanero Pepper pepper Transplant Mar 8 Jun 6 – Jul 6
Hatch Green Chile (NM 6-4) Peppers pepper Transplant Mar 1 May 10 – May 20
Highbush Blueberries berry Transplant Mar 1 Perennial — see plant page
Hillbilly Tomatoes tomato Transplant Mar 1 May 25
Holiday Marbles Hot Peppers pepper Transplant Mar 1 May 30 – Jun 19
Homestead Tomatoes tomato Transplant Mar 1 May 20 – May 25
Honey Bee Tomatoes tomato Transplant Mar 1 Apr 30
Honeydew Melon melon Transplant Mar 1 Jun 9 – Jun 24
Hungarian Hot Wax Pepper pepper Transplant Mar 1 May 5 – May 15
Improved Meyer Lemon berry Plant Out Mar 1 Perennial — see plant page
Indigo Rose Tomatoes tomato Transplant Mar 1 May 15 – May 30
Jalapeño Peppers pepper Transplant Mar 1 May 5 – May 15
Jaune Flamme Tomatoes tomato Transplant Mar 1 May 20
Jerusalem artichoke tubers root vegetable Transplant Mar 1 Perennial — see plant page
Jet Star Tomatoes tomato Transplant Mar 1 May 10 – May 12
Jicama Mexican Yam Bean legume Transplant Mar 1 Jul 19 – Aug 8
Jimmy Nardello Peppers pepper Transplant Mar 8 May 27 – Jun 6
Jubilee Tomatoes tomato Transplant Mar 1 May 15 – May 20
Juliet Tomatoes tomato Transplant Mar 1 Apr 29 – May 1
Kapoor Tulsi (Holy Basil) herb Transplant Mar 1 Apr 30
King Arthur Peppers pepper Transplant Mar 8 May 9 – May 15
Large Red Cherry Tomatoes tomato Transplant Mar 1 May 10 – May 20
Lemon Habanero Hot Peppers pepper Transplant Mar 1 May 25 – Jun 14
Lemongrass herb Transplant Mar 1 Perennial — see plant page
Long Green Louisiana Eggplant vegetable Transplant Mar 1 May 5 – May 10
Long Ping Tung Eggplant vegetable Transplant Mar 1 Apr 25 – Apr 30
Long Purple Italian Eggplant vegetable Transplant Mar 1 May 15
Luffa gourds vegetable Transplant Mar 1 Jun 9 – Jun 29
Lunchbox Mini Peppers pepper Transplant Mar 8 May 2 – May 7
Manitoba Tomatoes tomato Transplant Mar 1 Apr 25 – May 5
Marglobe Improved Tomatoes tomato Transplant Mar 1 May 10 – May 20
Marglobe Supreme Tomatoes tomato Transplant Mar 1 May 10 – May 20
Mariachi Peppers pepper Transplant Mar 1 May 6 – May 15
Marion Tomatoes tomato Transplant Mar 1 May 15 – May 20
Marketmore 76 Cucumber cucumber Transplant Mar 1 Apr 28 – May 8
Midnight Snack Tomatoes tomato Transplant Mar 1 May 5 – May 10
Money Maker Tomatoes tomato Transplant Mar 1 May 15 – May 25
Mortgage Lifter Tomatoes tomato Transplant Mar 1 May 20 – May 25
Mountain Magic Tomatoes tomato Transplant Mar 1 May 12 – May 15
Mr. Stripey Tomatoes tomato Transplant Mar 1 May 25 – Jun 4
Mucho Nacho Jalapeño Peppers pepper Transplant Mar 1 May 8 – May 10
Nagami Kumquat berry Plant Out Mar 1 Perennial — see plant page
Napoletano Basil herb Transplant Mar 1 May 15
New Sunn Hemp Cover Crop cover crop Transplant Mar 1 Apr 30 – May 30
Nopales pads vegetable Transplant Mar 1 Perennial — see plant page
NuMex Twilight Hot Peppers pepper Transplant Mar 1 May 30 – Jun 29
Orange Habanero Hot Peppers pepper Transplant Mar 1 May 25 – Jun 14
Orange Horizon Sweet Peppers pepper Transplant Mar 1 May 15 – May 20
Orange Oxheart Tomatoes tomato Transplant Mar 1 May 15 – May 25
Oregon Spring Tomatoes tomato Transplant Mar 1 Apr 28 – May 10
Padron Peppers pepper Transplant Mar 8 May 7 – May 12
Pandora Striped Eggplant vegetable Transplant Mar 1 May 15 – May 20
Pasilla de Oaxaca Hot Peppers pepper Transplant Mar 1 May 15 – May 25
Patio Princess Tomatoes tomato Transplant Mar 1 May 5 – May 10
Pepperoncini Pepper pepper Transplant Mar 1 May 5 – May 15
Pesto Perpetuo Basil herb Transplant Mar 1 Apr 30 – May 30
Pimento Sweet Peppers pepper Transplant Mar 1 May 25 – May 30
Pineapple Tomatoes tomato Transplant Mar 1 May 25 – Jun 4
Pink Delicious Tomatoes tomato Transplant Mar 1 May 20 – May 24
Pink Oxheart Tomatoes tomato Transplant Mar 1 May 20 – May 30
Pistou Basil herb Transplant Mar 1 Apr 30
Poblano Peppers pepper Transplant Mar 1 May 5 – May 15
Ponderosa Red Beefsteak Tomatoes tomato Transplant Mar 1 May 15 – May 20
Potato onion clusters root vegetable Transplant Mar 1 May 30 – Jun 29
Pretty Purple Hot Peppers pepper Transplant Mar 1 May 30 – Jun 29
Purple Basil herb Transplant Mar 1 May 10 – May 25
Purple Beauty Sweet Peppers pepper Transplant Mar 1 May 10 – May 15
Purple Tiger Hot Peppers pepper Transplant Mar 1 May 30 – Jun 9
Rambo Radish Microgreens microgreen Transplant Mar 1 Mar 7 – Mar 11
Red Burgundy Okra vegetable Transplant Mar 1 Apr 25 – Apr 30
Red Cabbage brassica Transplant Mar 1 May 10 – Jun 19
Red Caribbean Habanero Hot Peppers pepper Transplant Mar 1 May 25 – Jun 14
Red Cayenne Hot Peppers pepper Transplant Mar 1 May 15 – May 25
Red Cherry Hot Peppers pepper Transplant Mar 1 May 15 – May 25
Red Mushroom Hot Peppers pepper Transplant Mar 1 May 15 – May 25
Red Pear Tomatoes tomato Transplant Mar 1 May 5 – May 15
Red Robin Tomatoes tomato Transplant Mar 1 Apr 25
Red Rubin Basil herb Transplant Mar 1 May 12
Rio Grande Tomatoes tomato Transplant Mar 1 May 15 – May 20
Roma VF Tomatoes tomato Transplant Mar 1 May 15 – May 20
Romanesco brassica Transplant Mar 1 May 15 – Jun 9
Rosemary herb Plant Out Mar 1 Perennial — see plant page
Round Mauve Eggplant vegetable Transplant Mar 1 May 20 – May 30
Rutgers Tomato tomato Transplant Mar 1 May 10 – May 20
Sakura Tomatoes tomato Transplant Mar 1 Apr 25 – Apr 30
San Marzano Tomatoes tomato Transplant Mar 1 May 18 – May 28
Santa Fe Grande Hot Peppers pepper Transplant Mar 1 May 15 – May 20
Serrano Peppers pepper Transplant Mar 1 May 10 – May 20
Shishito Peppers pepper Transplant Mar 8 May 7 – May 12
Snow Crown Cauliflower brassica Transplant Mar 1 Apr 20 – Apr 30
Speckled Pea Shoot Microgreens microgreen Transplant Mar 1 Mar 9 – Mar 15
Spicy Globe Basil herb Transplant Mar 1 May 10
Stupice Tomatoes tomato Transplant Mar 1 May 5
Sugar Baby Watermelon melon Transplant Mar 1 May 15 – May 20
Summer Max Mix Cover Crop cover crop Transplant Mar 1 Apr 15 – Apr 30
Sun Gold Tomatoes tomato Transplant Mar 1 Apr 27 – May 5
Sunbright Yellow Sweet Peppers pepper Transplant Mar 1 May 15 – May 20
SunChocola Tomatoes tomato Transplant Mar 1 Apr 30 – May 10
Sungella Tomatoes tomato Transplant Mar 1 Apr 30 – May 10
Sunray Tomatoes tomato Transplant Mar 1 May 15 – May 20
Sweet 100 Tomatoes tomato Transplant Mar 1 Apr 30 – May 5
Sweet Million Tomatoes tomato Transplant Mar 1 Apr 30 – May 5
Sweet Treats Tomatoes tomato Transplant Mar 1 May 5 – May 15
Tabasco Hot Peppers pepper Transplant Mar 1 May 20 – May 30
Tepin Hot Peppers pepper Transplant Mar 1 Jun 29 – Sep 17
Thai Basil herb Transplant Mar 1 Apr 30 – May 5
Thai Hot Peppers pepper Transplant Mar 1 May 15 – May 25
Thessaloniki Tomatoes tomato Transplant Mar 1 May 15 – May 20
Tigerella Tomatoes tomato Transplant Mar 1 Apr 25 – May 10
Tiny Tim Tomatoes tomato Transplant Mar 1 Apr 15 – Apr 25
Trinidad Moruga Scorpion peppers pepper Transplant Mar 1 May 20 – Jun 29
Tumbling Tom Red Tomatoes tomato Transplant Mar 1 May 5 – May 10
Turkish Orange Eggplant vegetable Transplant Mar 1 May 25 – May 30
VR Moscow Tomatoes tomato Transplant Mar 1 May 20 – May 30
Waltham 29 Broccoli brassica Transplant Mar 1 May 15 – May 30
White Cherry Tomatoes tomato Transplant Mar 1 May 10 – May 15
White Cloud Sweet Peppers pepper Transplant Mar 1 May 10 – May 15
Yellow Beefsteak Tomatoes tomato Transplant Mar 1 May 15 – May 25
Yellow Jalapeno (Caloro) Hot Peppers pepper Transplant Mar 1 May 15 – May 25
Yellow Mushroom Hot Peppers pepper Transplant Mar 1 May 15 – May 25
Yellow Oxheart Tomatoes tomato Transplant Mar 1 May 25 – May 30
Yellow Pear Tomatoes tomato Transplant Mar 1 May 10 – May 20
Yellow Scotch Bonnet Hot Peppers pepper Transplant Mar 1 May 30 – Jun 29
Yolo Wonder Sweet Peppers pepper Transplant Mar 1 May 10 – May 20

Harvest in March

Plant Type Planted / Sown Harvest Window
Alaska Early Pea legume Jan 25 Mar 21 – Mar 26
Cascadia Sugar Snap Pea legume Jan 25 Mar 31 – Apr 2
Chervil herb Jan 25 Mar 1 – Mar 11
Delicatesse Blue Kohlrabi brassica Jan 25 Mar 21 – Mar 26
Delicatesse White Kohlrabi brassica Jan 25 Mar 21 – Mar 26
Early Jersey Wakefield Cabbage brassica Jan 25 Mar 31 – Apr 10
Green Arrow Pea legume Jan 25 Mar 31 – Apr 5
Little Marvel Pea legume Jan 25 Mar 26 – Mar 29
Oregon Sugar Pod Snow Pea legume Jan 25 Mar 26 – Apr 3
Progress No. 9 Shelling Pea legume Jan 25 Mar 24 – Mar 28
Sugar Ann Snap Pea legume Jan 25 Mar 18 – Mar 22
Vienna Purple Kohlrabi brassica Jan 25 Mar 21 – Mar 31
Vienna White Kohlrabi brassica Jan 25 Mar 31
Wando Pea legume Jan 25 Mar 29 – Apr 3
Beauty Pink Radishes root vegetable Feb 15 Mar 12 – Mar 17
Beauty Purple Radishes root vegetable Feb 15 Mar 12 – Mar 17
Beauty White Radishes root vegetable Feb 15 Mar 12 – Mar 17
Bouquet Dill herb Feb 1 Mar 23 – Apr 7
Buckwheat cover crop Feb 15 Mar 17 – Apr 1
Champion Radishes root vegetable Feb 15 Mar 12 – Mar 17
Cherry Belle Radish root vegetable Feb 22 Mar 15 – Mar 24
Dill herb Feb 15 Mar 27 – Apr 11
Dukat Dill herb Feb 1 Mar 13 – Mar 23
Easter Egg Radishes root vegetable Feb 15 Mar 15 – Mar 19
Fairy Dwarf Mix Candytuft Flowers flower Feb 8 Mar 25 – Apr 9
Fenugreek herb Feb 1 Mar 8 – Mar 23
French Breakfast Radish root vegetable Feb 22 Mar 15 – Mar 22
Green Purslane vegetable Feb 22 Mar 29 – Apr 13
Hailstone Radishes root vegetable Feb 15 Mar 17
Mammoth Dill herb Feb 1 Mar 18 – Apr 7
Purple Plum Radishes root vegetable Feb 15 Mar 15 – Mar 17
Rapeseed Cover Crop cover crop Feb 1 Mar 18 – Apr 12
Royal Carpet Alyssum Flowers flower Feb 8 Mar 25 – Apr 9
Scarlet Flax Flowers flower Feb 1 Mar 28 – Apr 12
Shungiku (Edible Chrysanthemum) lettuce Feb 1 Mar 13 – Mar 28
Slow-Bolt (Slo-Bolt) Cilantro/Coriander herb Feb 15 Mar 15 – Mar 27
Sparkler Radishes root vegetable Feb 15 Mar 12 – Mar 17
Sweet Alyssum flower Feb 15 Mar 27 – Apr 11
Tri Color Amaranth (Joseph's Coat) vegetable Feb 22 Mar 24 – Apr 8
Vietnamese Coriander herb Feb 15 Mar 27 – Apr 16
White Icicle Radishes root vegetable Feb 15 Mar 17 – Mar 27
Black Oil Sunflower Microgreens microgreen Mar 1 Mar 8 – Mar 13
Rambo Radish Microgreens microgreen Mar 1 Mar 7 – Mar 11
Speckled Pea Shoot Microgreens microgreen Mar 1 Mar 9 – Mar 15
Full Heart Batavian lettuce Dec 15 Mar 10, 2027 – Mar 15, 2027
Verona Red lettuce Dec 15 Mar 10, 2027 – Mar 17, 2027
Witloof White lettuce Dec 15 Mar 31, 2027 – Apr 23, 2027

Key Tasks for March in Zone 10B

  1. 1 Start 3 varieties indoors this month under grow lights or in a sunny south-facing window. Use a seed-starting mix and bottom heat (70–75°F) for best germination rates.
  2. 2 Harden off transplants before moving outdoors — set them outside in a sheltered spot for increasing hours over 7–10 days before planting in the ground.
  3. 3 Check soil moisture before watering — stick a finger 2 inches into the soil. Water only when the soil is dry at that depth. Consistent moisture is more important than frequency.
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