One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when it's possible to plant borage by reviewing the USDA zone info for Carrollton.

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 moderate cold which tells us that you can plant them a little bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant borage in Carrollton 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. 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 April 15 in Carrollton. In the coldest months of winter you can expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Carrollton is not always accurate and the actual date of last frost is different every year. Since half of the time in Carrollton you get surprised by a frost after April 15 be ready to cover your borage if you have one of those late frosts.

USDA Zone Info for Carrollton

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 Carrollton

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