One of the first steps you take when you are getting a good idea 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 best time to plant gherkins in Berthoud can be estimated by looking at the USDA zone info.

Planting Calendar for Gherkins

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

You should not plant gherkins until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant gherkins in Berthoud 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. Starting your gherkins indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Berthoud may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Berthoud you get surprised by a frost after April 15 so just be sure to be ready to cover your gherkins in the event of a surprise late frost.

USDA Zone Info for Berthoud

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 Berthoud

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