Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Lawrenceville you can figure out when to plant anchusa by reviewing 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 one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant anchusa in Lawrenceville 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. If you wait any later than that and your anchusa may not have a chance to really do well. If you are starting your anchusa indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Lawrenceville. In the coldest months of winter you should expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Lawrenceville is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Lawrenceville you get a frost after April 15 so always be ready to protect your anchusa if you have a surprise late frost.

USDA Zone Info for Lawrenceville

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Lawrenceville

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