One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's a good idea to plant armeria in Robstown by reviewing 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 well in cold which tells us that you can get them planted much earlier than other frost tender plants.

The earliest that you can plant armeria in Robstown 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 really do well. 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 Robstown. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Robstown is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Robstown you get surprised by a frost after February 15 be ready to protect your armeria if you have one of those late frosts.

USDA Zone Info for Robstown

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Robstown

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