One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant coreopsis in Fairbanks can be determined by checking out the USDA zone info.

Planting Calendar for Coreopsis

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

Since coreopsis do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant coreopsis in Fairbanks is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant coreopsis and expect a good harvest is probably August. If you wait any later than that and your coreopsis may not have a chance to fully mature. You can get started a little bit earlier by starting your coreopsis indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Fairbanks. In the coldest months of winter you can expect an average low temperature of -50°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Fairbanks and it changes from year to year. Since half of the time in Fairbanks last frost occurs after May 15 be ready to protect your coreopsis in the event of one of those late frosts.

USDA Zone Info for Fairbanks

Here is the info for USDA Zone 2a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	August 15
Lowest Expected Low	-50°F
Highest Expected Low	-45°F

This means that on a really cold year, the coldest it will get is -50°F. On most years you should be prepared to experience lows near -45°F.

Plants to Grow in Fairbanks

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