One of the best tools that you have as gardeners to help us figure out 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.

One way of figuring out when to plant painted daisies is to look at the USDA zone info for Thief River Falls.

Planting Calendar for Painted Daisies

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

You can plant painted daisies just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant painted daisies in Thief River Falls 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 painted daisies and expect a good harvest is probably August. If you wait any later than that and your painted daisies may not have a chance to fully mature. You can get started a little bit earlier by starting your painted daisies indoors.

Last Frost Date

In Thief River Falls the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -35°F.

Since the USDA zone info for Thief River Falls is just an average the actual date of last frost will vary from year to year. Half of the time in Thief River Falls you get surprised by a frost after May 15 so be sure to be ready to cover your painted daisies if you have a late frost.

USDA Zone Info for Thief River Falls

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Thief River Falls

You may be interested in your other planting guides for Thief River Falls.