When to Plant Swan River Daisy in Owatonna, MN

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Owatonna should be looked at to figure out when it's possible to plant swan river daisy.


Planting Calendar for Swan River Daisy

Frost tolerance for swan river daisy: Not tolerant of frost.
When to plant: After the last frost has passed.

You should not plant swan river daisy until after the last frost when the weather gets warmer because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant swan river daisy
Possibly ok, but a risky time to plant swan river daisy
Probably not a good time to plant swan river daisy

The earliest that you can plant swan river daisy in Owatonna is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant swan river daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your swan river daisy may not have a chance to fully mature. If you are starting your swan river daisy indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Owatonna the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Owatonna and it can change quite a bit from year to year. Half of the time in Owatonna it frosts late in the year after May 15 so be sure to be ready to protect your swan river daisy if you have 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.