When to Plant Armeria in Hales Corners, WI

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 first opportunity to plant armeria in Hales Corners can be determined by checking out the USDA zone info.


Planting Calendar for Armeria

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

Armeria can survive in pretty solid cold which tells us that you can plant them earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant armeria in Hales Corners 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 armeria and expect a good harvest is probably September. Any later than that and your armeria may not have a chance to really do well. Starting your armeria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Hales Corners. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Hales Corners may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Hales Corners there is a last frost after April 15 be ready to cover your armeria if you have a late frost.

USDA Zone Info for Hales Corners

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 Hales Corners

You may be interested in your other planting guides for Hales Corners.