The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Sauk Rapids should be used to determine when you can plant anchusa.

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 plants that are more sensitive to the cold.

The earliest that you can plant anchusa in Sauk Rapids is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant anchusa and expect a good harvest is probably August. You probably don't want to wait any later than that or else your anchusa may not have a chance to grow to maturity. Starting your anchusa indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Sauk Rapids. It might get as low as -30°F during the coldest months of winter.

Remember that USDA zone info for Sauk Rapids 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 Sauk Rapids you get surprised by a frost after May 15 so make sure that you are prepared to protect your anchusa if you have one of those late frosts.

USDA Zone Info for Sauk Rapids

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Sauk Rapids

You may be interested in your other planting guides for Sauk Rapids.