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

It's a good idea to determine when it's a good idea to plant borage by using the USDA zone info for Zone 2b.

Planting Calendar for Borage

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

Borage are moderately cold tolerant which means that you can plant them a little bit earlier than other plants that might not handle the cold.

The earliest that you can plant borage in Zone 2b 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 borage and expect a good harvest is probably August. You probably don't want to wait any later than that or else your borage may not have a chance to really do well. You can get started a few weeks earlier by starting your borage indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Zone 2b. In the coldest months of winter you should expect an average low temperature of -45°F.

Remember that USDA zone info for Zone 2b is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 2b you get surprised by a frost after May 15 be ready to cover your borage if you have a late frost.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	August 15
Lowest Expected Low	-45°F
Highest Expected Low	-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in your other planting guides for Zone 2b.