What to Plant in March — Zone 3

Your complete March planting checklist for USDA Hardiness Zone 3. Last frost: May 15. First frost: September 15. Growing season: 120 days.

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136

Start Indoors

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Transplant Outdoors

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Direct Sow

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Harvest

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🏠 Start Indoors in March136

View all brassicas for Zone 3 →

Graffiti

80 days · Easy

Dinosaur Kale

125 days · Easy

White Hot Cauliflower

68-75 days · Moderate to challenging

Kale 'Winterbor F1'

60-65 days · Easy

Winterbor Kale

60 days · Easy

Napa Cabbage 'Michihili'

65-75 days · Easy

View all microgreens for Zone 3 →

Kale Microgreens

90 days · Easy

Amaranth Microgreens

50 days · Easy

Chia Microgreens

7-14 days · Moderate

Tatsoi

10 days · Easy

Marigold, Gem

16-25 days · Easy

Purple Radish Microgreens

6-12 days · Very Easy

🧺 Harvest in March72

View all microgreens for Zone 3 →

Kale Microgreens

90 days · Easy

Amaranth Microgreens

50 days · Easy

Chia Microgreens

7-14 days · Moderate

Tatsoi

10 days · Easy

Marigold, Gem

16-25 days · Easy

Purple Radish Microgreens

6-12 days · Very Easy

View all alliums for Zone 3 →

Inchelium Red Softneck Garlic

240-270 days · Easy to Moderate

German Extra Hardy Garlic

240-270 days · Easy

Purple Top Walla Walla

125-300 days · Moderate

Spanish Roja Garlic

240-270 days · Easy

Elephant Garlic

240-270 days · Easy

Music Hardneck Garlic

240-270 days · Easy

View all squash & cucumbers for Zone 3 →

Luffa Gourd

125 days · Moderate

Bottle or Birdhouse

125 days · Moderate

Dinosaur Gourd

125 days · Moderate

March in Other Zones

Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Zone 6 Zone 7 Zone 8 Zone 9 Zone 10 Zone 11 Zone 12 Zone 13

Zone 3 Monthly Guides

January February March April May June July August September October November December

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