The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Lewistown you will be able to figure out when it's a good idea to plant squash.

Planting Calendar for Squash

Frost tolerance for squash:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant squash until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant squash in Lewistown 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 squash and expect a good harvest is probably August. Any later than that and your squash may not have a chance to grow to maturity. Starting your squash indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Lewistown. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Lewistown may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Lewistown you get surprised by a frost after April 15 be ready to protect your squash if you have a surprise late frost.

USDA Zone Info for Lewistown

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Lewistown

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