Wind River GreensGrowing Guide

What to Plant in March in Colorado

Your complete March planting guide for Colorado (USDA Zone 5). Last frost: April 30. First frost: October 5. Growing season: 155 days.

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369

Start Indoors

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0

Transplant Outdoors

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0

Direct Sow

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48

Harvest

Colorado Growing Season

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Plant after April 30 · Harvest before October 5

Colorado · Zone 5

Zone 5 March guide

Zone 3 Zone 4 Zone 5 Zone 6 Zone 7 Zone 8 Zone 9 Zone 10

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

🏠 Start Indoors in Colorado — March369

Tomatoes(88)

Black Krim

80-90 days · Moderate

Jet Star

72-78 days · Easy

Pineapple

85-95 days · Moderate

Cherry Belle

65-70 days · Easy

Tumbling Tom

65-70 days · Easy

Big Beef

70 days · Moderate

Peppers(71)

Hot Pepper 'Fresno'

75-85 days · Easy

Ghost Pepper 'Bhut Jolokia'

100-120 days · Difficult

Jalapeño 'NuMex Piñata'

70-80 days · Easy

Serrano 'Tampiqueno'

75-85 days · Easy

Bell Pepper 'Red Knight'

75-80 days · Easy

Carolina Reaper

90-120 days · Moderate to challenging

Flowers(53)

Zinnia State Fair Mix

75-85 days · Easy

Cosmos Sensation Mix

Very Easy

Sweet Pea Royal Mix

65-75 days · Moderate

Rose David Austin Lady of Shalott

N/A days · Moderate

Rose Eden Climbing

60-80 days · Moderate

Sweet Alyssum Snow Princess

N/A days · Easy

Brassicas(49)

Kale 'Winterbor F1'

60-65 days · Easy

Purple Vienna Kohlrabi

60-70 days · Easy

Arugula 'Rocket'

20-40 days · Very Easy

Easter Egg Radish

30 days · Very easy

Ruby Perfection Cabbage

85 days · Moderate

Red Russian Kale

50-65 days · Easy

Herbs(42)

Curly Parsley

70-90 days · Easy

Petroselinum crispum 'Forest Green'

70-85 days · Easy

Gourmet Gold Dill

40-50 days · Easy

English Lavender

90-120 days · Easy

Common Thyme

90-95 days · Easy

German Thyme

90-95 days · Easy

Microgreens(36)

Cilantro Microgreens

10-14 days · Moderate

Arugula Microgreens

10-15 days · Easy

Fenugreek Microgreens

7-14 days · Easy to moderate

Wheatgrass Microgreens

7-10 days · Very easy

Alfalfa Microgreens

6-10 days · Easy

Clover Microgreens

8-12 days · Easy to Moderate

Eggplants(30)

Violette di Firenze

80-90 days · Moderate to Challenging

Calliope

64 days · Easy to Moderate

White Egg

70-80 days · Easy to Moderate

Purple Top

37 days · Easy to Moderate

Beatrice F1

65-75 days · Easy to Moderate

Diamond F1

70-80 days · Easy to Moderate

🧺 Harvest in Colorado — March48

Microgreens(36)

Cilantro Microgreens

10-14 days · Moderate

Arugula Microgreens

10-15 days · Easy

Fenugreek Microgreens

7-14 days · Easy to moderate

Wheatgrass Microgreens

7-10 days · Very easy

Alfalfa Microgreens

6-10 days · Easy

Clover Microgreens

8-12 days · Easy to Moderate

Alliums(7)

Elephant Garlic

240-270 days · Easy

Music Hardneck Garlic

240-270 days · Easy

Spanish Roja Garlic

240-270 days · Easy

German Extra Hardy Garlic

240-270 days · Easy

Inchelium Red Softneck Garlic

240-270 days · Easy to Moderate

Georgia Fire Garlic

240-270 days · Easy

Berries & Fruits(4)

Duke Blueberry

1095-1460 days · Moderate

Chester Thornless Blackberry

730 days · Moderate

Heritage Red Raspberry

365-730 days · Easy

Honeyberry (Haskap)

730-1095 days · Easy

Brassicas(1)

Purple Sprouting Broccoli 'Early Purple Sprouting'

220-240 days · Moderate

March in Other Zone 5 States

Idaho Iowa Michigan Nebraska New Hampshire Utah

March by Zone

Zone 3 Zone 4 Zone 5 Zone 6 Zone 7 Zone 8 Zone 9 Zone 10

Colorado Monthly Guides

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