One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Newnan you will be able to figure out when you can plant osteospermum.

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 a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant osteospermum in Newnan 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 April 15 in Newnan. You can expect an average low temperature of 5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Newnan is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Newnan it frosts late in the year after April 15 be ready to protect your osteospermum in the event of a surprise late frost.

USDA Zone Info for Newnan

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 Newnan

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