Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In West Richland you can determine when it's a good idea to plant pumpkins by reviewing the USDA zone info.

Planting Calendar for Pumpkins

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

Since pumpkins require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant pumpkins in West Richland 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. Starting your pumpkins indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in West Richland. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for West Richland is an average the actual date of last frost can change quite a bit from year to year. Half of the time in West Richland you get surprised by a frost after April 15 so make sure that you are ready to protect your pumpkins if you have one of those late frosts.

USDA Zone Info for West Richland

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in West Richland

You may be interested in your other planting guides for West Richland.