One of the best tools that you have as gardeners to help us estimate 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.

A common way of figuring out when it's the best time to plant pumpkins is to examine the USDA zone info for Johnstown.

Planting Calendar for Pumpkins

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

It's probably not a good idea to plant pumpkins 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 pumpkins in Johnstown 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. You probably don't want to wait any later than that or else your pumpkins may not have a chance to grow to maturity. If you are starting your pumpkins indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Johnstown. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Johnstown may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Johnstown it frosts late in the year after April 15 be ready to protect your pumpkins in the event of one of those late frosts.

USDA Zone Info for Johnstown

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Johnstown

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