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 Delta you can figure out when it's possible to plant carrots by reviewing 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.

You can plant carrots a little earlier in the year because they do well in moderate cold.

The earliest that you can plant carrots in Delta 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. Any later than that and your carrots may not have a chance to grow to maturity. You can get started a little bit earlier by starting your carrots indoors.

Last Frost Date

In Delta the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Delta is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Delta you get surprised by a frost after April 15 be ready to cover your carrots in the event of a surprise late frost.

USDA Zone Info for Delta

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 Delta

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