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.

It's a good idea to determine when to plant artemesia by looking at the USDA zone info for Richland.

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.

Since artemesia do ok in moderate cold you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant artemesia in Richland is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant artemesia and expect a good harvest is probably August. Any later than that and your artemesia may not have a chance to really do well. You can get started a few weeks earlier by starting your artemesia indoors.

Last Frost Date

The average date of last frost is March 15 in Richland. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Richland is not always accurate the actual date of last frost will vary from year to year. Half of the time in Richland there is a last frost after March 15 so make sure that you are prepared to cover your artemesia in the event of one of those late frosts.

USDA Zone Info for Richland

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Richland

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