The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 Havre can be read to figure out when you can plant english daisy.

Planting Calendar for English Daisy

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

Since english daisy are moderately cold tolerant you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant english 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 english daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your english daisy may not have a chance to really do well. Starting your english daisy indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Havre may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Havre you get a frost after May 15 be ready to cover your english daisy in the event of a 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.