Before planting it is a good idea to find your USDA Zone info to estimate 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.

It's a good idea to figure out when it's the best time to plant osteospermum by checking out the USDA zone info for Mitchell.

Planting Calendar for Osteospermum

Frost tolerance for osteospermum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since osteospermum are moderately cold tolerant you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant osteospermum in Mitchell 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 fully mature. You can get started a few weeks earlier by starting your osteospermum indoors.

Last Frost Date

The average date of last frost is April 15 in Mitchell. In the coldest months of winter you should expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for Mitchell is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Mitchell you get surprised by a frost after April 15 be ready to protect your osteospermum if you have one of those late frosts.

USDA Zone Info for Mitchell

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Mitchell

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