One of the best tools that you have as gardeners to help us estimate 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.

The USDA zone info for Vicksburg should be reviewed to figure out when it's a good idea to plant snow-in summer.

Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since snow-in summer are moderately cold tolerant you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant snow-in summer in Vicksburg 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 snow-in summer and expect a good harvest is probably September. You probably don't want to wait any later than that or else your snow-in summer may not have a chance to grow to maturity. Starting your snow-in summer 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 Vicksburg. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Vicksburg is not always accurate the actual date of last frost will vary from year to year. Half of the time in Vicksburg it frosts late in the year after March 15 so make sure that you are ready to cover your snow-in summer if you have one of those late frosts.

USDA Zone Info for Vicksburg

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 Vicksburg

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