One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. 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 Ironwood should be read to estimate when you can plant gherkins.

Planting Calendar for Gherkins

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

You really shouldn't plant gherkins until after the last frost because they are not cold tolerant.

The earliest that you can plant gherkins in Ironwood 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. Any later than that and 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

The average date of last frost is May 15 in Ironwood. In the coldest months of winter you can expect an average low temperature of -30°F.

Remember that USDA zone info for Ironwood is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Ironwood you get surprised by a frost after May 15 be ready to protect your gherkins in the event of one of those late frosts.

USDA Zone Info for Ironwood

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Ironwood

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