Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Meridian should be reffered to in order to figure out when you can plant argyranthemum.

Planting Calendar for Argyranthemum

Frost tolerance for argyranthemum:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since argyranthemum do not do well in cold weather you really should wait until after all chance of frost has passed before you can plant them.

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

The last month that you can plant argyranthemum and expect a good harvest is probably August. Any later than that and your argyranthemum may not have a chance to fully mature. You can get started a little bit earlier by starting your argyranthemum indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Meridian. You should expect an average low temperature of 10°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 Meridian and it can change quite a bit from year to year. Half of the time in Meridian there is a last frost after March 15 so make sure that you are prepared to cover your argyranthemum in the event of a surprise late frost.

USDA Zone Info for Meridian

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 Meridian

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