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 Spanish Fork you can estimate when it's the best time to 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.

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 Spanish Fork 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. Any later than that and your osteospermum may not have a chance to grow to maturity. If you are starting your osteospermum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Spanish Fork. In the coldest months of winter you should expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Spanish Fork is an average and the actual date of last frost changes from year to year. Half of the time in Spanish Fork last frost occurs after April 15 so just be sure to be ready to protect your osteospermum if you have one of those late frosts.

USDA Zone Info for Spanish Fork

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Spanish Fork

You may be interested in your other planting guides for Spanish Fork.