The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Walnut should be used to determine when to plant kohlrabi.

Planting Calendar for Kohlrabi

Frost tolerance for kohlrabi:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Kohlrabi tend to make it in some cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant kohlrabi in Walnut is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant kohlrabi and expect a good harvest is probably October. You probably don't want to wait any later than that or else your kohlrabi may not have a chance to fully mature. If you are starting your kohlrabi indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Walnut. You should expect an average low temperature of 30°F in the coldest months of winter.

Just be sure to remember 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 Walnut and it changes from year to year. Half of the time in Walnut you get a frost after January 31 so make sure that you are prepared to cover your kohlrabi in the event of a surprise late frost.

USDA Zone Info for Walnut

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 Walnut

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