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

You can determine when you can plant gherkins in Onalaska by looking at 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 really shouldn't plant gherkins until after the last frost because they require warm weather.

The earliest that you can plant gherkins in Onalaska is May. However, you really should wait until June 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 really do well. 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 May 15 in Onalaska. In the coldest months of winter you can expect an average low temperature of -25°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Onalaska and it will vary from year to year. Half of the time in Onalaska you get surprised by a frost after May 15 so always be ready to protect your gherkins in the event of a surprise late frost.

USDA Zone Info for Onalaska

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Onalaska

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