Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Jacksonville you can figure out when you can plant osteospermum by checking out 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.

Since osteospermum do well in moderate cold you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant osteospermum in Jacksonville is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant osteospermum and expect a good harvest is probably October. If you wait any later than that and your osteospermum may not have a chance to really do well. Starting your osteospermum indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Jacksonville. You can expect an average low temperature of 20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Jacksonville is an average and the actual date of last frost changes from year to year. Half of the time in Jacksonville you get a frost after February 15 so make sure that you are ready to cover your osteospermum in the event of a late frost.

USDA Zone Info for Jacksonville

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Jacksonville

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