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Montana: Vegetable Planting Calendar

Montana Zone Hardiness Map

Planting vegetable seeds or transplants at the correct time is important for getting the most out of your garden. Knowing your first and last frost dates will help you start your vegetable seeds at the right time. 

Montana is in USDA plant hardiness zones 3-6.

Montana Last & First Frost Dates
CityLast Frost DateFirst Frost Date
Billings5/299/6
Bozeman6/198/31
Butte7/18/23
Chinook5/299/3
Choteau6/89/4
Glendive5/199/10
Hamilton6/129/6
Helena6/29/2
Libby7/128/19
*Based on statistics there is a 10% chance that frost will occur before or after these dates. Watch your local weather for more accurate dates.

Montana on average has approximately 95 days between the last and first frost. Follow the planting schedules below for when to plant tomatoes, peppers and other vegetables. 
 
Shop Our Vegetable Seeds

Zone 3 Planting Schedule
Zone 3 Montana Planting Schedule

Zone 4 Planting Schedule
Zone 4 Montana Planting Schedule

Zone 5 Planting Schedule
Zone 5 Montana Planting Schedule

Zone 6 Planting Schedule
Zone 6 Montana Garden Schedule