One of the first steps you take when you are estimating your gardening schedule is find your 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 Columbus can be reffered to in order to estimate when it's the best time 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 can survive in a bit of cold which tells us that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant pea in Columbus 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. If you wait any later than that and your pea may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pea indoors.

Last Frost Date

In Columbus the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Columbus may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Columbus you get surprised by a frost after April 15 be ready to protect your pea if you have a surprise late frost.

USDA Zone Info for Columbus

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 Columbus

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