When to Plant Potatos in Cheney, WA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Cheney should be reffered to in order to determine when you can plant potatos.


Planting Calendar for Potatos

Frost tolerance for potatos: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Potatos are very cold tolerant which tells us that you can get them planted much earlier than other frost tender plants.

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

The earliest that you can plant potatos in Cheney is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant potatos and expect a good harvest is probably September. Any later than that and your potatos may not have a chance to grow to maturity. You can get started a little bit earlier by starting your potatos indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Cheney. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Cheney may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Cheney last frost occurs after April 15 be ready to cover your potatos in the event of a surprise late frost.

USDA Zone Info for Cheney

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 Cheney

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