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

The earliest that you can plant summer savory in Upland can be estimated by using the USDA zone info.

Planting Calendar for Summer Savory

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

Summer Savory do ok in moderate cold which means that you can start planting them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant summer savory in Upland 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 summer savory and expect a good harvest is probably September. If you wait any later than that and your summer savory may not have a chance to really do well. If you are starting your summer savory indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Upland. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Upland is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Upland there is a last frost after January 31 so be sure to be ready to cover your summer savory in the event of a surprise late frost.

USDA Zone Info for Upland

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°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 35°F.

Plants to Grow in Upland

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