When to Plant Corn in Puyallup, WA

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when to plant corn is to examine the USDA zone info for Puyallup.


Planting Calendar for Corn

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

Corn require warm weather which means that you must wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant corn
Possibly ok, but a risky time to plant corn
Probably not a good time to plant corn

The earliest that you can plant corn in Puyallup 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 corn and expect a good harvest is probably August. Any later than that and your corn may not have a chance to grow to maturity. Starting your corn indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Puyallup the average date of last frost happens on March 15. You can expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Puyallup may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Puyallup it frosts late in the year after March 15 be ready to protect your corn if you have a late frost.

USDA Zone Info for Puyallup

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 Low15°F
Highest Expected Low20°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 Puyallup

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