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

You will be able to figure out when it's the best time to plant salvia by using the USDA zone info for Union City.

Planting Calendar for Salvia

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

You can plant salvia slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant salvia in Union City 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 salvia and expect a good harvest is probably September. Any later than that and your salvia may not have a chance to fully mature. Starting your salvia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Union City. In the coldest months of winter you should expect an average low temperature of 30°F.

Just be sure to remember that USDA zone info for Union City is an average and the actual date of last frost is different every year. Half of the time in Union City there is a last frost after January 31 so make sure that you are ready to protect your salvia in the event of a surprise late frost.

USDA Zone Info for Union City

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 Union City

You may be interested in your other planting guides for Union City.