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Zone 9B — March

What to Plant in March in Zone 9B

March in Zone 9B: 0 crops to start indoors, 0 to plant or direct sow outside, and 81 entering harvest window. Last frost averages February 7. Reference city: Miami, FL.
Updated May 13, 2026 · Frost data from NOAA 1991-2020 Climate Normals
0 Start Indoors
0 Plant Outside
81 Harvest
Frost window: Active

This is when frost can still happen in Zone 9B. The last spring frost typically lands on February 7, with a 10% chance of frost as late as March 9. Plan transplants with this window in mind.

See full Zone 9B frost outlook →

Start Indoors in March

Nothing to start seeds indoors in March for Zone 9B.
Next window: December — 4 varieties, including California Bluebell, Giant Maximum Mix Snapdragon Flowers, Texas 1015Y SuperSweet Onion.

Plant Outside in March

Nothing to plant or sow outside in March for Zone 9B.
Next window: June — 78 varieties, including All Year Round, America, Astro Arugula.

Harvest in March

Plant Type Planted / Sown Harvest Window
Alaska Early Pea legume Jan 17 Mar 13 – Mar 18
All Year Round Cauliflower brassica Jan 24 Mar 30
Bouquet Dill herb Jan 24 Mar 15 – Mar 30
Calabrese Broccoli brassica Jan 24 Mar 30
Cascadia Sugar Snap Pea legume Jan 17 Mar 23 – Mar 25
Chinese Forget-Me-Not Flowers flower Jan 8 Mar 14 – Apr 3
Copenhagen Cabbage brassica Jan 24 Mar 30
Dark Green Italian Giant Parsley herb Jan 24 Mar 25 – Apr 9
Delicatesse Blue Kohlrabi brassica Jan 24 Mar 20 – Mar 25
Delicatesse White Kohlrabi brassica Jan 24 Mar 20 – Mar 25
Di Cicco Broccoli brassica Jan 24 Mar 30
Dukat Dill herb Jan 24 Mar 5 – Mar 15
Early Jersey Wakefield Cabbage brassica Jan 24 Mar 30 – Apr 9
Early Purple Broccoli brassica Jan 24 Mar 30
Fairy Dwarf Mix Candytuft Flowers flower Jan 24 Mar 10 – Mar 25
Golden Acre Cabbage brassica Jan 24 Mar 30
Green Arrow Pea legume Jan 17 Mar 23 – Mar 28
Igloo Cauliflower brassica Jan 24 Mar 30 – Apr 4
Little Marvel Pea legume Jan 17 Mar 18 – Mar 21
Mammoth Dill herb Jan 24 Mar 10 – Mar 30
Mammoth Melting Sugar Snow Pea legume Jan 17 Mar 26 – Apr 1
Medium Red Clover Cover Crop cover crop Jan 24 Mar 25 – Apr 9
Oregon Giant Snow Pea legume Jan 17 Mar 28 – Apr 1
Oregon Sugar Pod Snow Pea legume Jan 17 Mar 18 – Mar 26
Progress No. 9 Shelling Pea legume Jan 17 Mar 16 – Mar 20
Rapini Broccoli Raab brassica Jan 24 Mar 30
Royal Carpet Alyssum Flowers flower Jan 24 Mar 10 – Mar 25
Scarlet Flax Flowers flower Jan 24 Mar 20 – Apr 4
Shungiku (Edible Chrysanthemum) lettuce Jan 24 Mar 5 – Mar 20
Snowball Self-Blanche Cauliflower brassica Jan 24 Mar 30
Sugar Ann Snap Pea legume Jan 17 Mar 10 – Mar 14
Vienna Purple Kohlrabi brassica Jan 24 Mar 20 – Mar 30
Vienna White Kohlrabi brassica Jan 24 Mar 30
Viola and pansy edible flowers flower Jan 24 Mar 25 – Apr 4
Violetta Purple Cauliflower brassica Jan 24 Mar 30
Wando Pea legume Jan 17 Mar 21 – Mar 26
Yellow Sweet Blossom Clover Cover Crop cover crop Jan 8 Mar 9 – Apr 8
Alaska Mix Nasturtium Flowers flower Feb 7 Mar 29 – Apr 8
Beauty Pink Radishes root vegetable Feb 7 Mar 4 – Mar 9
Beauty Purple Radishes root vegetable Feb 7 Mar 4 – Mar 9
Beauty White Radishes root vegetable Feb 7 Mar 4 – Mar 9
Boltardy Beets root vegetable Feb 7 Mar 29 – Apr 8
Buckwheat cover crop Feb 7 Mar 9 – Mar 24
Bull's Blood Beets root vegetable Feb 7 Mar 29 – Apr 3
Bush Pickle Cucumbers cucumber Feb 14 Mar 31 – Apr 8
Calendula flower Feb 7 Mar 29 – Apr 8
Calypso Cilantro herb Feb 7 Mar 29 – Apr 3
Champion Radishes root vegetable Feb 7 Mar 4 – Mar 9
Cherry Belle Radish root vegetable Feb 14 Mar 7 – Mar 16
Contender Bush Bean legume Feb 14 Mar 31 – Apr 10
Daikon Radishes root vegetable Feb 14 Mar 31 – Apr 10
Dill herb Feb 7 Mar 19 – Apr 3
Dwarf Jewel Mix Nasturtium Flowers flower Feb 7 Mar 29 – Apr 8
Early Wonder Beets root vegetable Feb 7 Mar 29
Easter Egg Radishes root vegetable Feb 7 Mar 7 – Mar 11
Eight Ball Zucchini squash Feb 14 Mar 31 – Apr 10
Empress of India Nasturtium Flowers flower Feb 7 Mar 29 – Apr 8
French Breakfast Radish root vegetable Feb 14 Mar 7 – Mar 14
French Marigold flower Feb 7 Mar 29 – Apr 8
Gold Rush Zucchini squash Feb 14 Mar 31 – Apr 5
Golden Globe Turnips root vegetable Feb 7 Mar 24 – Mar 29
Green Purslane vegetable Feb 14 Mar 21 – Apr 5
Hailstone Radishes root vegetable Feb 7 Mar 9
Japanese Eggplant vegetable Feb 7 Mar 29 – Apr 13
Lebanese White Bush Summer Squash squash Feb 14 Mar 31
Nasturtium flower Feb 7 Mar 29 – Apr 13
National Pickling Cucumber cucumber Feb 7 Mar 29 – Apr 6
Paris Market Carrots root vegetable Feb 7 Mar 29 – Apr 3
Peach Melba Nasturtium Flowers flower Feb 7 Mar 29 – Apr 8
Phacelia cover crop and bee forage cover crop Feb 7 Mar 24 – Apr 8
Purple Plum Radishes root vegetable Feb 7 Mar 7 – Mar 9
Round de Nice Zucchini Summer Squash squash Feb 14 Mar 31
Slow-Bolt (Slo-Bolt) Cilantro/Coriander herb Feb 7 Mar 7 – Mar 19
Sparkler Radishes root vegetable Feb 7 Mar 4 – Mar 9
Speckled Pea Shoot Microgreens microgreen Feb 21 Mar 1 – Mar 7
Summer Max Mix Cover Crop cover crop Feb 7 Mar 24 – Apr 8
Sweet Alyssum flower Feb 7 Mar 19 – Apr 3
Tri Color Amaranth (Joseph's Coat) vegetable Feb 14 Mar 16 – Mar 31
Vietnamese Coriander herb Feb 7 Mar 19 – Apr 8
Whirlybird Nasturtium Flowers flower Feb 7 Mar 29 – Apr 8
White Icicle Radishes root vegetable Feb 7 Mar 9 – Mar 19

Key Tasks for March in Zone 9B

  1. 1 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.
Back to full Zone 9B planting calendar
February March in Zone 9B April

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