Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Charles Town you can estimate when it's possible to plant squash by reviewing the USDA zone info.

Planting Calendar for Squash

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

It's probably a bad idea to plant squash until after the last frost has passed because they require warm weather.

The earliest that you can plant squash in Charles Town 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 fully mature. Starting your squash indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Charles Town the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Charles Town and it can change quite a bit from year to year. Half of the time in Charles Town there is a last frost after April 15 so make sure that you are prepared to protect your squash if you have a surprise late frost.

USDA Zone Info for Charles Town

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 Charles Town

You may be interested in your other planting guides for Charles Town.