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

It's a good idea to estimate when it's possible to plant salvia by using the USDA zone info for Clawson.

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 well in mild cold which tells us that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant salvia in Clawson 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. You probably don't want to wait any later than that or else 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 Clawson. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Clawson may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Clawson you get a frost after April 15 so just be sure to be ready to protect your salvia if you have a late frost.

USDA Zone Info for Clawson

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Clawson

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