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.

The USDA zone info for Marengo should be reviewed to determine when to plant cucumbers.

Planting Calendar for Cucumbers

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

It's a bad idea to plant cucumbers until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant cucumbers in Marengo 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 cucumbers and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cucumbers may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your cucumbers indoors.

Last Frost Date

On average the last frost is on April 15 in Marengo. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Marengo is just an average the actual date of last frost will vary from year to year. Half of the time in Marengo it frosts late in the year after April 15 so make sure that you are ready to protect your cucumbers if you have a late frost.

USDA Zone Info for Marengo

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Marengo

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