When to Plant Peas in Sterling, CO

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant peas in Sterling by referring to the USDA zone info.


Planting Calendar for Peas

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

Peas can survive in cold weather which means that you can plant them a lot earlier in the year than other frost tender plants.

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

The earliest that you can plant peas in Sterling 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 peas and expect a good harvest is probably September. Any later than that and your peas may not have a chance to grow to maturity. Starting your peas indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Sterling. You can expect an average low temperature of -20°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Sterling and it can change quite a bit from year to year. Since half of the time in Sterling you get surprised by a frost after April 15 be ready to cover your peas in the event of a surprise late frost.

USDA Zone Info for Sterling

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 Sterling

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