One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. 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 Rolla can be reffered to in order to estimate when to plant pea.

Planting Calendar for Pea

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

Pea do well in a bit of cold which tells us that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant pea in Rolla 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 pea and expect a good harvest is probably September. Any later than that and your pea may not have a chance to grow to maturity. If you are starting your pea indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Rolla. You can expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Rolla is not always accurate and the actual date of last frost changes from year to year. Half of the time in Rolla you get a frost after April 15 so make sure that you are ready to cover your pea if you have one of those late frosts.

USDA Zone Info for Rolla

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Rolla

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