One of the first steps you take when you are estimating 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.

The USDA zone info for Kelso should be reffered to in order to figure out when it's a good idea 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.

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

The earliest that you can plant carrots in Kelso 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 little bit earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Kelso. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Kelso is not always accurate the actual date of last frost changes from year to year. Since half of the time in Kelso you get surprised by a frost after March 15 be ready to protect your carrots in the event of a late frost.

USDA Zone Info for Kelso

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Kelso

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