One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Costa Mesa you can determine when it's possible to plant gherkins by checking out 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.

It's not a good idea to plant gherkins until after all chance of frost has passed because they require warm weather.

The earliest that you can plant gherkins in Costa Mesa is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant gherkins and expect a good harvest is probably September. You probably don't want to wait any later than that or else 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

The average date of last frost is January 31 in Costa Mesa. It might get as low as 35°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Costa Mesa and it will vary from year to year. Since half of the time in Costa Mesa you get a frost after January 31 be ready to cover your gherkins if you have a late frost.

USDA Zone Info for Costa Mesa

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Costa Mesa

You may be interested in your other planting guides for Costa Mesa.