The USDA Zone info is a great tool for gardeners to help us determine 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.

You will be able to determine when you can plant gherkins by looking at the USDA zone info for Millbrae.

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 because they require warm weather.

The earliest that you can plant gherkins in Millbrae 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. If you wait any later than that and your gherkins may not have a chance to fully mature. Starting your gherkins indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Millbrae. It might get as low as 30°F during the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Millbrae and it changes from year to year. Since half of the time in Millbrae there is a last frost after January 31 be ready to protect your gherkins in the event of one of those late frosts.

USDA Zone Info for Millbrae

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Millbrae

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