One of the first steps you take when you are making a decision about your gardening schedule is find your 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 osteospermum is to check out the USDA zone info for Vicksburg.

Planting Calendar for Osteospermum

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

Osteospermum do well in moderate cold which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant osteospermum 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 osteospermum and expect a good harvest is probably September. You probably don't want to wait any later than that or else your osteospermum may not have a chance to grow to maturity. Starting your osteospermum indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Vicksburg. You can expect an average low temperature of 10°F in the coldest months of winter.

It's important to remember that USDA zone info for Vicksburg is just an average and the actual date of last frost is different every year. Half of the time in Vicksburg last frost occurs after March 15 so just be sure to be ready to cover your osteospermum in the event of a late frost.

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.