One of the first steps you take when you are estimating your gardening schedule is find your 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 estimate when it's possible to plant salvia by using the USDA zone info for Alpharetta.

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.

Salvia do ok in moderate cold which means that you can plant them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant salvia in Alpharetta 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 salvia and expect a good harvest is probably August. 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 April 15 in Alpharetta. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Alpharetta is not always accurate the actual date of last frost changes from year to year. Since half of the time in Alpharetta there is a last frost after April 15 be ready to protect your salvia if you have a late frost.

USDA Zone Info for Alpharetta

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Alpharetta

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