The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Great Falls you can estimate when to plant winter savory by reviewing the USDA zone info.

Planting Calendar for Winter Savory

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

You can plant winter savory just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant winter savory in Great 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 winter savory and expect a good harvest is probably August. Any later than that and your winter savory may not have a chance to fully mature. You can get started a little bit earlier by starting your winter savory indoors.

Last Frost Date

On average the last frost is on May 15 in Great Falls. In the coldest months of winter you should expect an average low temperature of -30°F.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Great Falls and it is different every year. Since half of the time in Great Falls it frosts late in the year after May 15 be ready to protect your winter savory in the event of one of those late frosts.

USDA Zone Info for Great Falls

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 Great Falls

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