Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Steamboat Springs you can figure out when you can plant pumpkins by reviewing the USDA zone info.

Planting Calendar for Pumpkins

Frost tolerance for pumpkins:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since pumpkins require warm weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant pumpkins in Steamboat Springs is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant pumpkins and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pumpkins may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your pumpkins indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Steamboat Springs. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Steamboat Springs is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Steamboat Springs you get a frost after May 15 be ready to protect your pumpkins if you have a surprise late frost.

USDA Zone Info for Steamboat Springs

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Steamboat Springs

You may be interested in your other planting guides for Steamboat Springs.