Before planting it is a good idea to find your USDA Zone info to estimate 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 possible to figure out when it's the best time to plant artemesia by referring to the USDA zone info for Merrillville.

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 are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant artemesia in Merrillville 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. If you wait any later than that and your artemesia may not have a chance to fully mature. You can get started a little bit earlier by starting your artemesia indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Merrillville. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Merrillville is not always accurate the actual date of last frost changes from year to year. Half of the time in Merrillville last frost occurs after April 15 so make sure that you are ready to protect your artemesia in the event of one of those late frosts.

USDA Zone Info for Merrillville

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Merrillville

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