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

One way of determining when you can plant armeria is to examine the USDA zone info for Smithville.

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 Smithville 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 fully mature. Starting your armeria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Smithville. You should expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that USDA zone info for Smithville is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Smithville you get surprised by a frost 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 Smithville

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Smithville

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