Wind River GreensGrowing Guide

What to Plant in May in Montana

Your complete May planting guide for Montana (USDA Zone 4). Last frost: May 10. First frost: September 25. Growing season: 135 days.

🏠

104

Start Indoors

🌿

49

Transplant Outdoors

🌱

243

Direct Sow

🧺

62

Harvest

Montana Growing Season

JanFebMarAprMayJunJulAugSepOctNovDec

Plant after May 10 · Harvest before September 25

Montana · Zone 4

Zone 4 May 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 Montana — May104

Melons(38)

Watermelon Charleston Gray

85-95 days · Moderate

Crimson Sweet Watermelon

85 days · Moderate

Cantaloupe Athena

80-85 days · Easy to moderate

Hale's Best Cantaloupe

85-90 days · Moderate

Banana Melon

90-100 days · Moderate

Galia Melon

85-100 days · Moderate

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

Cucumbers(30)

Mexican Sour Gherkin

67 days · Easy

Homemade Pickles

52-55 days · Easy

Kirby Cucumber

55-60 days · Easy

Crystal Apple Cucumber

65-75 days · Easy

Japanese Climbing

58-65 days · Moderate

National Pickling

52-58 days · Easy

🌿 Transplant Outdoors in Montana — May49

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

🌱 Direct Sow in Montana — May243

Lettuce & Salad Greens(52)

Tom Thumb

45-55 days · Easy

Summertime

70-80 days · Moderate

Salanova Green Crispy

55-65 days · Easy to Moderate

Romaine Cos

70-85 days · Moderate

Cimmaron Romaine

55-65 days · Easy to Moderate

Deer Tongue

45-55 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

Root Vegetables(43)

German Giant Radish

45-60 days · Easy

Thumbelina Carrot

65-70 days · Easy

Red Ace Beet

50 days · Easy

Purple Daikon Radish

55-65 days · Easy

Purple Plum Radish

25-30 days · Easy

Early Wonder Tall Top Beet

48-55 days · Easy

Peas(35)

Purple Top

37 days · Moderate

Purple Podded

65-70 days · Easy to Moderate

Laxton's Progress No. 1

60-65 days · Easy

Lincoln

65-70 days · Easy

Kelvedon Wonder

60-65 days · Easy

Mr. Big

60-65 days · Easy

Alliums(35)

Rossa di Milano

95-105 days · Easy to moderate

French Gray Shallot

90-120 days · Easy to moderate

Yellow Sweet Spanish Onion

110-120 days · Easy

Garlic Chives

80-90 days · Easy

Elephant Garlic

240-270 days · Easy

Music Hardneck Garlic

240-270 days · Easy

Native Wildflowers(20)

Blanket Flower

Not applicable days · Easy

Purple Coneflower

300-365 days · Easy

Coral Bells

N/A days · Easy

Wild Blue Phlox

Easy to moderate

Wild Lupine

N/A days · Moderate

Wild Blue Lupine

Moderate

Grasses & Bamboo(9)

Perennial Ryegrass

N/A days · Easy

Blue Fescue

Easy

Eco-Lawn Mix

N/A days · Easy

Purple Top Timothy

60-90 days · Easy

Fine Fescue

Easy

Little Bluestem

N/A days · Easy

🧺 Harvest in Montana — May62

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

Brassicas(8)

Arugula 'Rocket'

20-40 days · Very Easy

Easter Egg Radish

30 days · Very easy

Tokyo Bekana

21-45 days · Easy

Purple Sprouting Broccoli 'Early Purple Sprouting'

220-240 days · Moderate

Cherry Belle Radish

22-30 days · Very Easy

Osaka Purple Mustard

21-40 days · Easy

Alliums(8)

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

Purple Top Walla Walla

125-300 days · Moderate

Root Vegetables(5)

Purple Plum Radish

25-30 days · Easy

French Breakfast Radish

21 days · Very Easy

Nelson Carrot

21 days · Easy to moderate

Cherry Belle Radish

22-30 days · Very Easy

Easter Egg Radish

30 days · Very easy

Berries & Fruits(3)

Duke Blueberry

1095-1460 days · Moderate

Heritage Red Raspberry

365-730 days · Easy

Honeyberry (Haskap)

730-1095 days · Easy

Lettuce & Salad Greens(2)

Spinach

25 days · Easy to moderate

Arugula

10-15 days · Easy

May in Other Zone 4 States

Maine Minnesota North Dakota South Dakota Vermont Wisconsin Wyoming

May by Zone

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

Montana Monthly Guides

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