The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Delphos you can determine when it's possible to plant pumpkins by checking out the USDA zone info.

Planting Calendar for Pumpkins

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

It's probably a bad idea to plant pumpkins until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant pumpkins in Delphos 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 couple of weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Delphos is an average and the actual date of last frost will vary from year to year. Half of the time in Delphos you get surprised by a frost after April 15 so always be ready to protect your pumpkins in the event of a late frost.

USDA Zone Info for Delphos

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 Delphos

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