One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Owatonna it's possible to determine when it's a good idea to plant african daisy.

Planting Calendar for African Daisy

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

African Daisy are moderately cold tolerant which means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant african daisy in Owatonna is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant african daisy and expect a good harvest is probably August. Any later than that and your african daisy may not have a chance to really do well. You can get started a little bit earlier by starting your african daisy indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Owatonna. It might get as low as -25°F during the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Owatonna and it changes from year to year. Half of the time in Owatonna last frost occurs after May 15 so just be sure to be ready to protect your african daisy in the event of one of those late frosts.

USDA Zone Info for Owatonna

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

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

Plants to Grow in Owatonna

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