The USDA Zone info is a great tool for gardeners to help us determine 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.

You should be able to estimate when you can plant salsify by looking at the USDA zone info for Walnut Creek.

Planting Calendar for Salsify

Frost tolerance for salsify:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Salsify can survive in some cold which means that you can plant them a bit earlier in the year than more sensitive plants.

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

Last Frost Date

On average all chance of frost has passed is on February 15 in Walnut Creek. You should expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Walnut Creek may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Walnut Creek it frosts late in the year after February 15 so always be ready to protect your salsify if you have a late frost.

USDA Zone Info for Walnut Creek

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 Walnut Creek

You may be interested in your other planting guides for Walnut Creek.