The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant gherkins in Longmont should be estimated by checking out the USDA zone info.

Planting Calendar for Gherkins

Frost tolerance for gherkins:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You should not plant gherkins until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant gherkins in Longmont 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. You probably don't want to wait any later than that or else your gherkins may not have a chance to grow to maturity. Starting your gherkins indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Longmont may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Longmont it frosts late in the year after April 15 so always be ready to cover your gherkins if you have a surprise late frost.

USDA Zone Info for Longmont

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 Longmont

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