One of the first steps you take when you are making a decision about 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 first chance to plant gloriosa daisy in Havre should be determined by using the USDA zone info.

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 are moderately cold tolerant which means that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant gloriosa daisy in Havre 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. Any later than that and your gloriosa daisy may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your gloriosa daisy indoors.

Last Frost Date

On average the last frost is on May 15 in Havre. You can expect an average low temperature of -30°F in the coldest months of winter.

Keep in mind that USDA zone info for Havre is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Havre you get a frost after May 15 be ready to protect your gloriosa daisy in the event of a surprise late frost.

USDA Zone Info for Havre

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Havre

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