Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when you can plant armeria is to consult the USDA zone info for Dickinson.

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.

The earliest that you can plant armeria in Dickinson is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant armeria and expect a good harvest is probably October. You probably don't want to wait any later than that or else your armeria may not have a chance to grow to maturity. Starting your armeria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Dickinson. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Dickinson is just an average and the actual date of last frost will vary from year to year. Half of the time in Dickinson it frosts late in the year after February 15 so be sure to be ready to protect your armeria in the event of a late frost.

USDA Zone Info for Dickinson

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Dickinson

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