The USDA Zone info is a great tool for gardeners to help us determine 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.

It's a good idea to figure out when it's the best time to plant winter savory by referring to the USDA zone info for Denison.

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 are moderately cold tolerant which tells us that you can plant them a little bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant winter savory in Denison is February. However, you really should wait until March 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 September. If you wait any later than that and your winter savory may not have a chance to grow to maturity. You can get started a little bit earlier by starting your winter savory indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Denison. In the coldest months of winter you should expect an average low temperature of -20°F.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Denison and it changes from year to year. Half of the time in Denison you get a frost after April 15 so be sure to be ready to protect your winter savory in the event of a late frost.

USDA Zone Info for Denison

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Denison

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