The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Fairbanks you can determine when it's a good idea to plant anchusa by using the USDA zone info.

Planting Calendar for Anchusa

Frost tolerance for anchusa:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since anchusa do well in cold you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant anchusa 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 anchusa and expect a good harvest is probably August. If you wait any later than that and your anchusa may not have a chance to fully mature. You can get started a few weeks earlier by starting your anchusa indoors.

Last Frost Date

The average date of last frost is May 15 in Fairbanks. It might get as low as -50°F during the coldest months of winter.

Since the USDA zone info for Fairbanks is not always accurate the actual date of last frost is different every year. Half of the time in Fairbanks last frost occurs after May 15 so make sure that you are prepared to cover your anchusa if you have 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.