One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Jackson can be read to determine when you can plant borage.

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 tells us that you can start planting them earlier than more sensitive plants.

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

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Jackson. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Jackson is just an average the actual date of last frost is different every year. Since half of the time in Jackson it frosts late in the year after April 15 be ready to protect your borage in the event of a late frost.

USDA Zone Info for Jackson

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Jackson

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