When to Plant Anchusa in Inver Grove Heights, MN

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Inver Grove Heights it's possible to estimate when it's the best time to plant anchusa.

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Planting Calendar for Anchusa

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

Anchusa are one of those plants that can tolerate quite a bit of cold weather which means that you can get them planted much earlier than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant anchusa
Possibly ok, but a risky time to plant anchusa
Probably not a good time to plant anchusa

The earliest that you can plant anchusa in Inver Grove Heights 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. If you wait any later than that and your anchusa may not have a chance to grow to maturity. You can get started a little bit earlier by starting your anchusa indoors.

Last Frost Date

The average date of last frost is May 15 in Inver Grove Heights. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Inver Grove Heights is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Inver Grove Heights you get a frost after May 15 so make sure that you are prepared to protect your anchusa if you have a surprise late frost.

USDA Zone Info for Inver Grove Heights

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Inver Grove Heights

You may be interested in your other planting guides for Inver Grove Heights.