Before planting it is a good idea to find your USDA Zone info to estimate 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.

In Winona you can determine when it's the best time to plant armeria by reviewing 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.

You can plant armeria a lot earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant armeria in Winona 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 armeria and expect a good harvest is probably August. You probably don't want to wait any later than that or else your armeria may not have a chance to fully mature. You can get started a little bit earlier by starting your armeria indoors.

Last Frost Date

In Winona the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Keep in mind that USDA zone info for Winona may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Winona there is a last frost after May 15 be ready to protect your armeria if you have a surprise late frost.

USDA Zone Info for Winona

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 Winona

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