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

A common way of making a decision about when you can plant saxifraga is to check out the USDA zone info for Prescott Valley.

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 can survive in a tiny bit of cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant saxifraga in Prescott Valley 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. Any later than that and your saxifraga may not have a chance to fully mature. Starting your saxifraga indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Prescott Valley. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Prescott Valley is just an average the actual date of last frost will vary from year to year. Half of the time in Prescott Valley there is a last frost after April 15 so be sure to be ready to cover your saxifraga if you have one of those late frosts.

USDA Zone Info for Prescott Valley

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 Prescott Valley

You may be interested in your other planting guides for Prescott Valley.