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

You will be able to figure out when it's the best time to plant kohlrabi by reviewing the USDA zone info for Sunnyvale.

Planting Calendar for Kohlrabi

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

Since kohlrabi are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant kohlrabi in Sunnyvale 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 kohlrabi and expect a good harvest is probably September. You probably don't want to wait any later than that or else your kohlrabi may not have a chance to grow to maturity. You can get started a little bit earlier by starting your kohlrabi indoors.

Last Frost Date

The average date of last frost is March 15 in Sunnyvale. In the coldest months of winter you can expect an average low temperature of 10°F.

Remember that USDA zone info for Sunnyvale is just an average and the actual date of last frost changes from year to year. Half of the time in Sunnyvale it frosts late in the year after March 15 so always be ready to protect your kohlrabi in the event of one of those late frosts.

USDA Zone Info for Sunnyvale

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Sunnyvale

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