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 Clawson you can estimate when it's a good idea to plant borage by using the USDA zone info.

Planting Calendar for Borage

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

Borage do well in a little bit of cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant borage in Clawson 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. Starting your borage indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Clawson. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Clawson is not always accurate and the actual date of last frost changes from year to year. Half of the time in Clawson you get surprised by a frost after April 15 so be sure to be ready to cover your borage in the event of one of those late frosts.

USDA Zone Info for Clawson

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Clawson

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