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.

You can determine when it's a good idea to plant gherkins in Colton 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 has passed.

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

The earliest that you can plant gherkins in Colton is March. However, you really should wait until April 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 few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Colton. In the coldest months of winter you can expect an average low temperature of 25°F.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Colton and it can change quite a bit from year to year. Half of the time in Colton it frosts late in the year after February 15 so make sure that you are ready to cover your gherkins in the event of one of those late frosts.

USDA Zone Info for Colton

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Colton

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