The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Pittsburg you can determine when it's a good idea to plant saxifraga by checking out the USDA zone info.

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 tend to make it in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant saxifraga in Pittsburg 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 saxifraga and expect a good harvest is probably September. You probably don't want to wait any later than that or else your saxifraga may not have a chance to really do well. You can get started a little bit earlier by starting your saxifraga indoors.

Last Frost Date

The average date of last frost is February 15 in Pittsburg. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Pittsburg is an average the actual date of last frost changes from year to year. Half of the time in Pittsburg you get a frost after February 15 so always be ready to protect your saxifraga if you have a surprise late frost.

USDA Zone Info for Pittsburg

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Pittsburg

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