When to Plant Armeria in Sandwich, IL

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when to plant armeria by reviewing the USDA zone info for Sandwich.


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 much earlier in the year because they are very cold tolerant.

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 Sandwich 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. You probably don't want to wait any later than that or else your armeria may not have a chance to really do well. You can get started a couple of weeks earlier by starting your armeria indoors.

Last Frost Date

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

Since the USDA zone info for Sandwich is not always accurate the actual date of last frost is different every year. Half of the time in Sandwich there is a last frost after April 15 so be sure to be ready to protect your armeria in the event of one of those late frosts.

USDA Zone Info for Sandwich

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 Sandwich

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