One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 estimate when it's possible to plant field peas in Sterling by reviewing the USDA zone info.

Planting Calendar for Field Peas

Frost tolerance for field peas:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant field peas a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant field 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 field peas and expect a good harvest is probably September. You probably don't want to wait any later than that or else your field peas may not have a chance to really do well. You can get started a few weeks earlier by starting your field peas indoors.

Last Frost Date

The average date of last frost is 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 just an average because it is based on the USDA zone info for Sterling and it will vary from year to year. Since half of the time in Sterling it frosts late in the year after April 15 be ready to cover your field peas if you have a 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.