When to Plant Cucumbers in Casper, WY

One of the first steps you take when you are figuring out 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.

You can determine when it's the best time to plant cucumbers in Casper by checking out the USDA zone info.


Planting Calendar for Cucumbers

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

Cucumbers require warm weather which means that it's important to wait until it warms up after the last frost before you can plant them.

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

The earliest that you can plant cucumbers in Casper 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 cucumbers and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cucumbers may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your cucumbers indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Casper. It might get as low as -20°F during the coldest months of winter.

Keep in mind that USDA zone info for Casper is just an average and the actual date of last frost changes from year to year. Since half of the time in Casper last frost occurs after April 15 be ready to protect your cucumbers if you have a late frost.

USDA Zone Info for Casper

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Casper

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