The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Corbin you can estimate when it's a good idea to plant anchusa by looking at the USDA zone info.

Planting Calendar for Anchusa

Frost tolerance for anchusa:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Anchusa tend to make it in a bit of cold which means that you can plant them a lot earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant anchusa in Corbin 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 anchusa and expect a good harvest is probably September. Any later than that and your anchusa may not have a chance to really do well. You can get started a few weeks earlier by starting your anchusa indoors.

Last Frost Date

On average the last frost is on April 15 in Corbin. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Corbin is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Corbin you get surprised by a frost after April 15 be ready to cover your anchusa in the event of a surprise late frost.

USDA Zone Info for Corbin

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Corbin

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