One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Carson can be used to determine when you can 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.

Since saxifraga do ok in moderate cold 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 Carson 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. If you wait any later than that and your saxifraga may not have a chance to really do well. Starting your saxifraga indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Carson. You should expect an average low temperature of 35°F in the coldest months of winter.

Keep in mind that USDA zone info for Carson is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Carson last frost occurs after January 31 be ready to cover your saxifraga if you have a surprise late frost.

USDA Zone Info for Carson

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Carson

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