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

The best time to plant armeria in Clayton can be estimated by looking at 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 do ok in quite a bit of cold which tells us that you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant armeria in Clayton 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. If you wait any later than that and your armeria may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your armeria indoors.

Last Frost Date

In Clayton the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Clayton is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Clayton there is a last frost after April 15 be ready to cover your armeria in the event of one of those late frosts.

USDA Zone Info for Clayton

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 Clayton

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