The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Winston-Salem you can estimate when it's the best time to plant osteospermum by using the USDA zone info.

Planting Calendar for Osteospermum

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

You can plant osteospermum just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant osteospermum in Winston-Salem 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 fully mature. If you are starting your osteospermum indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Winston-Salem. You can expect an average low temperature of 5°F in the coldest months of winter.

Remember that USDA zone info for Winston-Salem is an average and the actual date of last frost is different every year. Half of the time in Winston-Salem it frosts late in the year after April 15 so just be sure to be ready to protect your osteospermum if you have a surprise late frost.

USDA Zone Info for Winston-Salem

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Winston-Salem

You may be interested in your other planting guides for Winston-Salem.