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

In Harlingen you can estimate when it's a good idea to plant artemesia by looking at the USDA zone info.

Planting Calendar for Artemesia

Frost tolerance for artemesia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Artemesia are barely cold tolerant which means that you can get them planted just a bit earlier than other frost tender plants.

The earliest that you can plant artemesia in Harlingen 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 artemesia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your artemesia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your artemesia indoors.

Last Frost Date

The average date of last frost is February 15 in Harlingen. You can expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Harlingen and it will vary from year to year. Since half of the time in Harlingen there is a last frost after February 15 be ready to protect your artemesia in the event of one of those late frosts.

USDA Zone Info for Harlingen

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 Harlingen

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