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

The USDA zone info for Helena should be reffered to in order to estimate when to plant felicia daisy.

Planting Calendar for Felicia Daisy

Frost tolerance for felicia daisy:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Felicia Daisy tend to make it in some cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant felicia daisy in Helena is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant felicia daisy and expect a good harvest is probably August. If you wait any later than that and your felicia daisy may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your felicia daisy indoors.

Last Frost Date

In Helena the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -25°F.

It's important to remember that USDA zone info for Helena is an average and the actual date of last frost is different every year. Since half of the time in Helena there is a last frost after May 15 be ready to cover your felicia daisy if you have a late frost.

USDA Zone Info for Helena

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 Helena

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