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.

The first opportunity to plant pumpkins in Tiffin can be figured out by referring to the USDA zone info.

Planting Calendar for Pumpkins

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

Since pumpkins require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant pumpkins in Tiffin 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. Any later than that and your pumpkins may not have a chance to fully mature. If you are starting your pumpkins indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Tiffin the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Tiffin is an average the actual date of last frost changes from year to year. Half of the time in Tiffin last frost occurs after April 15 so make sure that you are ready to protect your pumpkins if you have a late frost.

USDA Zone Info for Tiffin

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 Tiffin

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