One of the first steps you take when you are estimating 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.

You can determine when it's the best time to plant gherkins in Ishpeming by reviewing 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.

It's probably not a good idea to plant gherkins until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant gherkins in Ishpeming 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. If you are starting your gherkins indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Ishpeming the average date of last frost happens on May 15. You can expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Ishpeming and it will vary from year to year. Half of the time in Ishpeming last frost occurs after May 15 so just be sure to be ready to cover your gherkins in the event of a surprise late frost.

USDA Zone Info for Ishpeming

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 Ishpeming

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