One of the best tools that you have as gardeners to help us estimate 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.

The first chance to plant gherkins in Grafton should be estimated by using the USDA zone info.

Planting Calendar for Gherkins

Frost tolerance for gherkins:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You can not plant gherkins until after the last frost because they require warm weather.

The earliest that you can plant gherkins in Grafton 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 the last frost has passed is on April 15 in Grafton. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Grafton may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Grafton it frosts late in the year after April 15 so just be sure to be ready to cover your gherkins in the event of a surprise late frost.

USDA Zone Info for Grafton

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 Grafton

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