Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of estimating when to plant borage is to consult the USDA zone info for Rusk.

Planting Calendar for Borage

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

Since borage are one of those plants that can tolerate a little bit of cold weather you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant borage in Rusk 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. Any later than that and your borage may not have a chance to grow to maturity. You can get started a little bit earlier by starting your borage indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Rusk. You should expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Rusk is an average and the actual date of last frost is different every year. Half of the time in Rusk last frost occurs after March 15 so always be ready to protect your borage if you have a surprise late frost.

USDA Zone Info for Rusk

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

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

Plants to Grow in Rusk

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