When to Plant Carrots in Monmouth, OR

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Monmouth you can determine when it's possible to plant carrots by looking at 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.

Since carrots are one of those plants that can tolerate a little bit of cold weather you can plant them just a bit earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant carrots
Possibly ok, but a risky time to plant carrots
Probably not a good time to plant carrots

The earliest that you can plant carrots in Monmouth 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

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

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Monmouth and it is different every year. Half of the time in Monmouth you get a frost after March 15 so make sure that you are ready to protect your carrots if you have a surprise late frost.

USDA Zone Info for Monmouth

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 Low15°F
Highest Expected Low20°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 Monmouth

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