Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant winter savory in Riverton by referring to 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.

Winter Savory do well in moderate cold which means that you can plant them earlier than plants that are more sensitive to the cold.

The earliest that you can plant winter savory in Riverton 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. You probably don't want to wait any later than that or else your winter savory may not have a chance to grow to maturity. If you are starting your winter savory indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Riverton the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Riverton is an average the actual date of last frost is different every year. Half of the time in Riverton you get a frost after May 15 so just be sure to be ready to protect your winter savory in the event of one of those late frosts.

USDA Zone Info for Riverton

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 Riverton

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