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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 143 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
143 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

No crops to start indoors in March for Zone 9B.

Plant Outside in March

No crops to plant outside in March for Zone 9B.

Harvest in March

Plant Type Planted / Sown Harvest Window
Alaska Early Pea legume Jan 7 Mar 3 – Mar 8
Alaska Mix Nasturtium Flowers flower Jan 28 Mar 19 – Mar 29
All Season Cabbage brassica Jan 14 Mar 25 – Apr 4
All Year Round Cauliflower brassica Jan 14 Mar 20
Baby Blue Eyes Flowers flower Jan 28 Mar 29 – Apr 28
Boltardy Beets root vegetable Jan 28 Mar 19 – Mar 29
Borage flower Jan 28 Mar 24 – Apr 13
Bouquet Dill herb Jan 14 Mar 5 – Mar 20
Broad Windsor Fava Bean legume Jan 7 Mar 23 – Apr 2
Bull's Blood Beets root vegetable Jan 28 Mar 19 – Mar 24
Calabrese Broccoli brassica Jan 14 Mar 20
Calendula flower Jan 28 Mar 19 – Mar 29
California Giant Mix Zinnia Flowers flower Jan 28 Mar 29 – Apr 8
Calypso Cilantro herb Jan 28 Mar 19 – Mar 24
Canary Bird Zinnia Flowers flower Jan 28 Mar 29 – Apr 8
Cascadia Sugar Snap Pea legume Jan 7 Mar 13 – Mar 15
Charleston Wakefield Cabbage brassica Jan 14 Mar 30
Cherry Queen Zinnia Flowers flower Jan 28 Mar 29 – Apr 8
Clemson Spineless Okra vegetable Jan 28 Mar 24 – Apr 2
Copenhagen Cabbage brassica Jan 14 Mar 20
Crackerjack Mix Marigolds flower Jan 28 Mar 29 – Apr 13
Crimson Clover cover crop Jan 28 Mar 29 – Apr 28
Crimson Forest Bunching Onions root vegetable Jan 28 Mar 29
Crosby's Egyptian Beets root vegetable Jan 28 Mar 24 – Mar 29
Cylindra Beets root vegetable Jan 28 Mar 29
Dark Green Italian Giant Parsley herb Jan 14 Mar 15 – Mar 30
Delicatesse Blue Kohlrabi brassica Jan 14 Mar 10 – Mar 15
Delicatesse White Kohlrabi brassica Jan 14 Mar 10 – Mar 15
Di Cicco Broccoli brassica Jan 14 Mar 20
Dill herb Jan 28 Mar 9 – Mar 24
Dwarf Jewel Mix Nasturtium Flowers flower Jan 28 Mar 19 – Mar 29
Early Jersey Wakefield Cabbage brassica Jan 14 Mar 20 – Mar 30
Early Purple Broccoli brassica Jan 14 Mar 20
Early Wonder Beets root vegetable Jan 28 Mar 19
Empress of India Nasturtium Flowers flower Jan 28 Mar 19 – Mar 29
Evergreen Parsley herb Jan 14 Mar 25 – Apr 9
French Marigold flower Jan 28 Mar 19 – Mar 29
Gardener's Delight Tomatoes tomato Jan 28 Mar 29 – Apr 13
German Chamomile herb Jan 28 Mar 29 – Apr 3
Giant Maximum Mix Snapdragon Flowers flower Jan 7 Mar 28 – Apr 12
Globe Gilia Flowers flower Jan 28 Mar 29 – Apr 18
Glorious Gleam Nasturtium Flowers flower Jan 28 Mar 24 – Apr 8
Golden Acre Cabbage brassica Jan 14 Mar 20
Golden Detroit Beets root vegetable Jan 28 Mar 24 – Mar 29
Golden Globe Turnips root vegetable Jan 28 Mar 14 – Mar 19
Green Arrow Pea legume Jan 7 Mar 13 – Mar 18
Hard Red Wheat Cover Crop cover crop Jan 7 Mar 23 – Apr 12
Igloo Cauliflower brassica Jan 14 Mar 20 – Mar 25
Japanese Eggplant vegetable Jan 28 Mar 19 – Apr 3
Juliet Tomatoes tomato Jan 28 Mar 28 – Mar 30
Lacy Phacelia Flowers flower Jan 28 Mar 24 – Apr 13
Lemon Cucumber cucumber Jan 28 Mar 29 – Apr 8
Little Fingers Carrots root vegetable Jan 28 Mar 24
Little Marvel Pea legume Jan 7 Mar 8 – Mar 11
Luminosa Zinnia Flowers flower Jan 28 Mar 29 – Apr 8
Mammoth Melting Sugar Snow Pea legume Jan 7 Mar 16 – Mar 22
Manitoba Tomatoes tomato Jan 28 Mar 24 – Apr 3
Medium Red Clover Cover Crop cover crop Jan 14 Mar 15 – Mar 30
Michihili Cabbage brassica Jan 14 Mar 25
Nasturtium flower Jan 28 Mar 19 – Apr 3
National Pickling Cucumber cucumber Jan 28 Mar 19 – Mar 27
Nodding Catchfly Flowers flower Jan 28 Mar 29 – Apr 28
Orange King Zinnia Flowers flower Jan 28 Mar 29 – Apr 8
Orange Sulphur Cosmos Flowers flower Jan 28 Mar 24 – Apr 8
Oregon Giant Snow Pea legume Jan 7 Mar 18 – Mar 22
Oregon Sugar Pod Snow Pea legume Jan 7 Mar 8 – Mar 16
Paris Market Carrots root vegetable Jan 28 Mar 19 – Mar 24
Peach Melba Nasturtium Flowers flower Jan 28 Mar 19 – Mar 29
Plains Coreopsis flower Jan 28 Mar 29 – Apr 8
Polar Bear Zinnia Flowers flower Jan 28 Mar 29 – Apr 8
Progress No. 9 Shelling Pea legume Jan 7 Mar 6 – Mar 10
Rapini Broccoli Raab brassica Jan 14 Mar 20
Red Acre Cabbage brassica Jan 14 Mar 30 – Apr 4
Scarlet Flax Flowers flower Jan 14 Mar 10 – Mar 25
Snowball Self-Blanche Cauliflower brassica Jan 14 Mar 20
Sparky Mix Marigolds flower Jan 28 Mar 24 – Apr 8
Summer Max Mix Cover Crop cover crop Jan 28 Mar 14 – Mar 29
Sun Gold Tomatoes tomato Jan 28 Mar 26 – Apr 3
Sunspot Sunflowers flower Jan 28 Mar 24 – Apr 8
Sweet 100 Tomatoes tomato Jan 28 Mar 29 – Apr 3
Sweet Alyssum flower Jan 28 Mar 9 – Mar 24
Tall Trailing Mix Nasturtium Flowers flower Jan 28 Mar 24 – Apr 8
Tigerella Tomatoes tomato Jan 28 Mar 24 – Apr 8
Tomatillo vegetable Jan 28 Mar 29 – Apr 23
Vienna Purple Kohlrabi brassica Jan 14 Mar 10 – Mar 20
Vienna White Kohlrabi brassica Jan 14 Mar 20
Viola and pansy edible flowers flower Jan 14 Mar 15 – Mar 25
Violetta Purple Cauliflower brassica Jan 14 Mar 20
Wando Pea legume Jan 7 Mar 11 – Mar 16
Whirlybird Nasturtium Flowers flower Jan 28 Mar 19 – Mar 29
White Detroit Beets root vegetable Jan 28 Mar 24 – Mar 29
Yellow Sulphur Cosmos Flowers flower Jan 28 Mar 24 – Apr 8
Zinnia flower Jan 28 Mar 29 – Apr 28
Ashley Cucumber cucumber Feb 4 Mar 31 – Apr 5
Black Beauty Zucchini squash Feb 8 Mar 25 – Apr 4
Blue Lake Bush Bean legume Feb 4 Mar 26 – Apr 3
Borlotti Bush Bean legume Feb 4 Mar 31 – Apr 10
Boston Pickling Cucumber cucumber Feb 4 Mar 26 – Mar 31
Chioggia Beet root vegetable Feb 4 Mar 31 – Apr 10
Cocozelle Summer Squash squash Feb 4 Mar 26
Contender Bush Bean legume Feb 4 Mar 21 – Mar 31
Detroit Dark Red Beet root vegetable Feb 4 Mar 31 – Apr 5
Dragon Tongue Bean legume Feb 4 Mar 31 – Apr 5
Eight Ball Zucchini squash Feb 4 Mar 21 – Mar 31
Epazote herb Feb 4 Mar 31 – Apr 10
Gold Rush Zucchini squash Feb 4 Mar 21 – Mar 26
Golden Beet root vegetable Feb 4 Mar 31 – Apr 10
Golden Wax Bush Bean legume Feb 4 Mar 26 – Apr 5
Green Fingers Persian Cucumber cucumber Feb 4 Mar 31 – Apr 5
Green Purslane vegetable Feb 4 Mar 11 – Mar 26
Harvester Bush Bean legume Feb 4 Mar 26 – Mar 31
Homemade Pickles Cucumber cucumber Feb 4 Mar 31 – Apr 5
Jade Bush Bean legume Feb 4 Mar 31 – Apr 5
Landreth Bush Bean legume Feb 4 Mar 26 – Mar 31
Lebanese White Bush Summer Squash squash Feb 4 Mar 21
Marketer Cucumber cucumber Feb 4 Mar 31
Matt's Wild Cherry Tomatoes tomato Feb 4 Mar 31 – Apr 10
New Zealand Spinach lettuce Feb 4 Mar 26 – Apr 5
Pattypan Squash squash Feb 4 Mar 23 – Mar 31
Phacelia cover crop and bee forage cover crop Feb 11 Mar 28 – Apr 12
Provider Bush Bean legume Feb 4 Mar 26 – Mar 31
Red Garnet Amaranth vegetable Feb 4 Mar 31 – Apr 5
Roma II Bush Bean legume Feb 4 Mar 29 – Apr 4
Round de Nice Zucchini Summer Squash squash Feb 4 Mar 21
Royal Burgundy Bush Bean legume Feb 4 Mar 26 – Mar 31
Shelling Pea legume Feb 4 Mar 31 – Apr 15
Slenderette Bush Bean legume Feb 4 Mar 29 – Apr 2
Snow Pea legume Feb 4 Mar 28 – Apr 15
Sugar Snap Pea legume Feb 4 Mar 31 – Apr 15
Summer Savory herb Feb 4 Mar 31 – Apr 10
Tendergreen Bush Bean legume Feb 4 Mar 26 – Mar 31
Tiny Tim Tomatoes tomato Feb 11 Mar 28 – Apr 7
Top Crop Bush Bean legume Feb 4 Mar 26 – Mar 31
Tri Color Amaranth (Joseph's Coat) vegetable Feb 4 Mar 6 – Mar 21
Turnip root vegetable Feb 4 Mar 26 – Apr 5
Watermelon Radishes root vegetable Feb 4 Mar 26 – Apr 10
West Indian Burr Gherkin Cucumber cucumber Feb 4 Mar 31 – Apr 10
White Wonder Cucumber cucumber Feb 4 Mar 31 – Apr 5
Yellow Crookneck Squash squash Feb 4 Mar 26 – Apr 5
Chinese Forget-Me-Not Flowers flower Dec 29 Mar 4 – Mar 24
Dutch Yellow Shallots allium Dec 31 Mar 31 – Apr 30
French Red Shallots allium Dec 31 Mar 31 – Apr 30
Holland Red Shallots allium Dec 31 Mar 31 – Apr 30

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
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