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

You can estimate when you can plant squash in Mount Vernon by reviewing the USDA zone info.

Planting Calendar for Squash

Frost tolerance for squash:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant squash until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant squash in Mount Vernon 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. You probably don't want to wait any later than that or else your squash may not have a chance to really do well. You can get started a couple of weeks earlier by starting your squash indoors.

Last Frost Date

The average date of last frost is April 15 in Mount Vernon. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Mount Vernon is an average the actual date of last frost changes from year to year. Since half of the time in Mount Vernon you get a frost after April 15 be ready to protect your squash in the event of one of those late frosts.

USDA Zone Info for Mount Vernon

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 Mount Vernon

You may be interested in your other planting guides for Mount Vernon.