One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when to plant anchusa is to use the USDA zone info for Fox Lake.

Planting Calendar for Anchusa

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

Anchusa do well in quite a bit of cold which means that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant anchusa in Fox Lake 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. If you are starting your anchusa indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Fox Lake. In the coldest months of winter you can expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Fox Lake may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Fox Lake it frosts late in the year after April 15 so make sure that you are ready to protect your anchusa in the event of a surprise late frost.

USDA Zone Info for Fox Lake

Here is the info for USDA Zone 5b.

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

Plants to Grow in Fox Lake

You may be interested in your other planting guides for Fox Lake.