When to Plant Aurinia in Zone 5b

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.

The best time to plant aurinia in Zone 5b should be estimated by checking out 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.

Aurinia tend to make it in quite a bit of cold which means that you can plant them a lot earlier in the year than other plants that might not handle the cold.

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 Zone 5b 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. You probably don't want to wait any later than that or else your aurinia may not have a chance to really do well. Starting your aurinia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Zone 5b the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Zone 5b may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Zone 5b you get a frost after April 15 be ready to cover your aurinia in the event of a surprise late frost.

USDA Zone Info for Zone 5b

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 Zone 5b

You may be interested in your other planting guides for Zone 5b.