One of the best tools that you have as gardeners to help us figure out 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 Alabaster should be reviewed to figure out when it's the best time to 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 little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant osteospermum in Alabaster 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 really do well. You can get started a couple of weeks earlier by starting your osteospermum indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Alabaster. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Alabaster may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Alabaster last frost occurs after March 15 be ready to protect your osteospermum if you have a late frost.

USDA Zone Info for Alabaster

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 Alabaster

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