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.

A way of making a decision about when you can plant armeria is to check out the USDA zone info for Plainfield.

Planting Calendar for Armeria

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

Since armeria are very cold tolerant you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant armeria in Plainfield 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. You can get started a couple of weeks earlier by starting your armeria indoors.

Last Frost Date

The average date of last frost is April 15 in Plainfield. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Plainfield is just an average the actual date of last frost will vary from year to year. Half of the time in Plainfield last frost occurs after April 15 so make sure that you are ready to cover your armeria if you have one of those late frosts.

USDA Zone Info for Plainfield

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Plainfield

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