Before planting it is a good idea to find your USDA Zone info to figure out 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.

One way of making a decision about when it's the best time to plant anchusa is to look at the USDA zone info for Sheboygan Falls.

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 cold which tells us that you can start planting them much earlier than other frost tender plants.

The earliest that you can plant anchusa in Sheboygan Falls 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. You can get started a little bit earlier by starting your anchusa indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Sheboygan Falls may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Sheboygan Falls it frosts late in the year after April 15 so just be sure to be ready to protect your anchusa if you have a surprise late frost.

USDA Zone Info for Sheboygan Falls

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 Sheboygan Falls

You may be interested in your other planting guides for Sheboygan Falls.