One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when you can plant pumpkins by looking at the USDA zone info for Duvall.

Planting Calendar for Pumpkins

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

Since pumpkins are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant pumpkins in Duvall 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 grow to maturity. Starting your pumpkins indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Duvall. You can expect an average low temperature of 15°F in the coldest months of winter.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Duvall and it can change quite a bit from year to year. Half of the time in Duvall you get a frost after March 15 so make sure that you are ready to protect your pumpkins if you have one of those late frosts.

USDA Zone Info for Duvall

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Duvall

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