One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's the best time to plant carrots by looking at the USDA zone info for Maricopa.

Planting Calendar for Carrots

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

Carrots tend to make it in moderate cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant carrots in Maricopa 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 carrots and expect a good harvest is probably September. You probably don't want to wait any later than that or else 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

On average the last frost when the weather gets warmer is on April 15 in Maricopa. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Maricopa is just an average the actual date of last frost changes from year to year. Since half of the time in Maricopa you get a frost after April 15 be ready to cover your carrots if you have one of those late frosts.

USDA Zone Info for Maricopa

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Maricopa

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