When to Plant Carrots in Gladstone, OR

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

In Gladstone you can determine when it's a good idea 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 a little bit earlier in the year than plants that are more sensitive to 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 Gladstone 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 few weeks earlier by starting your carrots indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Gladstone is an average and the actual date of last frost is different every year. Half of the time in Gladstone you get a frost after March 15 so just be sure to be ready to protect your carrots in the event of one of those late frosts.

USDA Zone Info for Gladstone

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 Gladstone

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