Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Allentown can be reviewed to figure out when it's possible to plant carrots.

Planting Calendar for Carrots

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

You can plant carrots a little earlier in the year because they are moderately cold tolerant.

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

Last Frost Date

In Allentown the average date of last frost happens on April 15. It might get as low as -5°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 Allentown and it is different every year. Since half of the time in Allentown you get surprised by a frost after April 15 be ready to protect your carrots if you have a late frost.

USDA Zone Info for Allentown

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Allentown

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