Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Patterson you can estimate when to plant carrots by using 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 do well in moderate cold which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant carrots in Patterson 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. If you wait any later than that and your carrots may not have a chance to really do well. Starting your carrots indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Patterson. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Patterson and it can change quite a bit from year to year. Half of the time in Patterson you get surprised by a frost after February 15 so be sure to be ready to protect your carrots if you have one of those late frosts.

USDA Zone Info for Patterson

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 Patterson

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