One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when to plant erysimum is to examine the USDA zone info for Clarksdale.

Planting Calendar for Erysimum

Frost tolerance for erysimum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant erysimum a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant erysimum in Clarksdale 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 erysimum and expect a good harvest is probably September. If you wait any later than that and your erysimum may not have a chance to fully mature. Starting your erysimum indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Clarksdale. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Clarksdale may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Clarksdale it frosts late in the year after March 15 so just be sure to be ready to protect your erysimum if you have a late frost.

USDA Zone Info for Clarksdale

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 Clarksdale

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