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.

One way of estimating when it's the best time to plant saxifraga is to check out the USDA zone info for Sauk Rapids.

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 do well in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant saxifraga in Sauk Rapids is April. However, you really should wait until May 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. Any later than that and your saxifraga may not have a chance to fully mature. You can get started a few weeks earlier by starting your saxifraga indoors.

Last Frost Date

On average the last frost is on May 15 in Sauk Rapids. You should expect an average low temperature of -30°F in the coldest months of winter.

Remember that USDA zone info for Sauk Rapids 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 Sauk Rapids you get a frost after May 15 so always be ready to protect your saxifraga in the event of a late frost.

USDA Zone Info for Sauk Rapids

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°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 -25°F.

Plants to Grow in Sauk Rapids

You may be interested in your other planting guides for Sauk Rapids.