Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Baton Rouge you can determine when to plant anchusa by using 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.

Since anchusa do well in cold you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant anchusa in Baton Rouge 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 grow to maturity. You can get started a little bit earlier by starting your anchusa indoors.

Last Frost Date

The average date of last frost is March 15 in Baton Rouge. You can expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Baton Rouge is an average and the actual date of last frost changes from year to year. Since half of the time in Baton Rouge there is a last frost after March 15 be ready to protect your anchusa in the event of one of those late frosts.

USDA Zone Info for Baton Rouge

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 Baton Rouge

You may be interested in your other planting guides for Baton Rouge.