The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Youngsville should be reffered to in order 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 just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant saxifraga in Youngsville 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. Any later than that and your saxifraga may not have a chance to really do well. You can get started a few weeks earlier by starting your saxifraga indoors.

Last Frost Date

On average the last frost is on February 15 in Youngsville. In the coldest months of winter you should expect an average low temperature of 20°F.

It's important to remember that USDA zone info for Youngsville is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Youngsville it frosts late in the year after February 15 so make sure that you are ready to protect your saxifraga if you have a late frost.

USDA Zone Info for Youngsville

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Youngsville

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