Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Petersburg should be reffered to in order to determine when you can plant gherkins.

Planting Calendar for Gherkins

Frost tolerance for gherkins:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since gherkins do not do well in cold weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant gherkins in Petersburg 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 gherkins and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gherkins may not have a chance to fully mature. You can get started a few weeks earlier by starting your gherkins indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Petersburg. In the coldest months of winter you can expect an average low temperature of 5°F.

It's important to remember that USDA zone info for Petersburg may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Petersburg last frost occurs after April 15 be ready to protect your gherkins in the event of one of those late frosts.

USDA Zone Info for Petersburg

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Petersburg

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