One of the first steps you take when you are figuring out 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.

One way of estimating when it's a good idea to plant carrots is to examine the USDA zone info for Henderson.

Planting Calendar for Carrots

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

Carrots do ok in moderate cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant carrots in Henderson 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 fully mature. You can get started a few weeks earlier by starting your carrots indoors.

Last Frost Date

The average date of last frost is February 15 in Henderson. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Henderson is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Henderson there is a last frost after February 15 so make sure that you are ready to cover your carrots in the event of a late frost.

USDA Zone Info for Henderson

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 Henderson

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