One of the first steps you take when you are getting a good idea 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.

The best time to plant african daisy in Decorah can be estimated by referring to the USDA zone info.

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 get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant african daisy in Decorah 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 grow to maturity. If you are starting your african daisy indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Decorah. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Decorah is not always accurate the actual date of last frost is different every year. Since half of the time in Decorah you get a frost after May 15 be ready to cover your african daisy in the event of one of those late frosts.

USDA Zone Info for Decorah

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 Decorah

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