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

One way of figuring out when it's the best time to plant gherkins is to consult the USDA zone info for Prosser.

Planting Calendar for Gherkins

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

Since gherkins require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant gherkins in Prosser 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. Any later than that and your gherkins may not have a chance to grow to maturity. You can get started a little bit earlier by starting your gherkins indoors.

Last Frost Date

In Prosser the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 0°F.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Prosser and it will vary from year to year. Half of the time in Prosser you get surprised by a frost after April 15 so just be sure to be ready to protect your gherkins in the event of one of those late frosts.

USDA Zone Info for Prosser

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Prosser

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