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

You will be able to figure out when to plant borage by reviewing the USDA zone info for Bangor.

Planting Calendar for Borage

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

You can plant borage a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant borage in Bangor 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 borage and expect a good harvest is probably September. You probably don't want to wait any later than that or else your borage may not have a chance to really do well. If you are starting your borage indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Bangor. In the coldest months of winter you can expect an average low temperature of -20°F.

It's important to remember that USDA zone info for Bangor is an average and the actual date of last frost will vary from year to year. Half of the time in Bangor you get a frost after April 15 so always be ready to protect your borage if you have a surprise late frost.

USDA Zone Info for Bangor

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Bangor

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