One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Clarkston it's a good idea to estimate when it's possible to plant saxifraga.

Planting Calendar for Saxifraga

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

Saxifraga are one of those plants that can tolerate a tiny bit of cold weather which means that you can start planting them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant saxifraga in Clarkston 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 saxifraga and expect a good harvest is probably August. You probably don't want to wait any later than that or else your saxifraga may not have a chance to fully mature. Starting your saxifraga 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 Clarkston. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Clarkston may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Clarkston last frost occurs after April 15 so be sure to be ready to protect your saxifraga if you have one of those late frosts.

USDA Zone Info for Clarkston

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 Clarkston

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