One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when it's the best time to plant gloriosa daisy is to refer to the USDA zone info for International Falls.

Planting Calendar for Gloriosa Daisy

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

Gloriosa Daisy do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant gloriosa daisy in International 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 gloriosa daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gloriosa daisy may not have a chance to fully mature. Starting your gloriosa daisy indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on May 15 in International Falls. You can expect an average low temperature of -40°F in the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for International Falls and it will vary from year to year. Half of the time in International Falls there is a last frost after May 15 so make sure that you are ready to cover your gloriosa daisy if you have one of those late frosts.

USDA Zone Info for International Falls

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-40°F
Highest Expected Low	-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in International Falls

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