One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when you can plant pumpkins in Morrison by using 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.

You should not plant pumpkins until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant pumpkins in Morrison is April. However, you really should wait until May 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. Any later than that and your pumpkins may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pumpkins indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Morrison. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Morrison is not always accurate the actual date of last frost is different every year. Since half of the time in Morrison you get surprised by a frost after April 15 be ready to protect your pumpkins if you have a surprise late frost.

USDA Zone Info for Morrison

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Morrison

You may be interested in your other planting guides for Morrison.