One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when it's possible to plant kohlrabi by checking out the USDA zone info for South Houston.

Planting Calendar for Kohlrabi

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

Kohlrabi are moderately cold tolerant which means that you can get them planted earlier than other frost tender plants.

The earliest that you can plant kohlrabi in South Houston 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. Any later than that and your kohlrabi may not have a chance to grow to maturity. Starting your kohlrabi indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in South Houston. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for South Houston is not always accurate the actual date of last frost will vary from year to year. Since half of the time in South Houston you get surprised by a frost after February 15 be ready to protect your kohlrabi if you have a surprise late frost.

USDA Zone Info for South Houston

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in South Houston

You may be interested in your other planting guides for South Houston.