The USDA Zone info is a great tool for gardeners to help us determine your gardening 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 Horn Lake should be read to determine when it's the best time to plant argyranthemum.

Planting Calendar for Argyranthemum

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

Since argyranthemum require warm weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant argyranthemum in Horn Lake 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. If you wait any later than that and your argyranthemum may not have a chance to grow to maturity. Starting your argyranthemum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Horn Lake. In the coldest months of winter you should expect an average low temperature of 10°F.

Keep in mind that USDA zone info for Horn Lake is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Horn Lake it frosts late in the year after March 15 so be sure to be ready to protect your argyranthemum if you have a surprise late frost.

USDA Zone Info for Horn Lake

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 Horn Lake

You may be interested in your other planting guides for Horn Lake.