One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant carrots in Campbell can be estimated by referring to the USDA zone info.

Planting Calendar for Carrots

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

Carrots are moderately cold tolerant which means that you can plant them a little bit earlier than other plants that might not handle the cold.

The earliest that you can plant carrots in Campbell 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 carrots and expect a good harvest is probably October. Any later than that and your carrots may not have a chance to grow to maturity. Starting your carrots 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 February 15 in Campbell. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Campbell is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Campbell you get surprised by a frost after February 15 so always be ready to cover your carrots in the event of one of those late frosts.

USDA Zone Info for Campbell

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 Campbell

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