One of the first steps you take when you are estimating 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.

You will be able to estimate when it's the best time to plant osteospermum by referring to the USDA zone info for Oakdale.

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 means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant osteospermum in Oakdale 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. 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 little bit earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Oakdale. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Oakdale is an average the actual date of last frost is different every year. Since half of the time in Oakdale it frosts late in the year after March 15 be ready to protect your osteospermum in the event of a surprise late frost.

USDA Zone Info for Oakdale

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Oakdale

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