One of the best tools that you have as gardeners to help us estimate 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.

In Rockdale you can determine when to plant anchusa by checking out 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.

You can plant anchusa a lot earlier in the year because they are very cold tolerant.

The earliest that you can plant anchusa in Rockdale 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 fully mature. 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 Rockdale. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Rockdale is an average and the actual date of last frost will vary from year to year. Half of the time in Rockdale last frost occurs after March 15 so make sure that you are prepared to protect your anchusa if you have a late frost.

USDA Zone Info for Rockdale

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 Rockdale

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