When to Plant Aurinia in Alpena, MI

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.

You can determine when it's a good idea to plant aurinia in Alpena by reviewing the USDA zone info.

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Planting Calendar for Aurinia

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

Since aurinia are one of those plants that can tolerate quite a bit of cold weather you can plant them a lot earlier in the year than more sensitive plants.

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

The earliest that you can plant aurinia in Alpena 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 aurinia and expect a good harvest is probably September. If you wait any later than that and your aurinia may not have a chance to fully mature. You can get started a little bit earlier by starting your aurinia indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Alpena. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Alpena is not always accurate and the actual date of last frost is different every year. Since half of the time in Alpena you get surprised by a frost after April 15 be ready to protect your aurinia if you have one of those late frosts.

USDA Zone Info for Alpena

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 Alpena

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