One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant spinach in Shasta Lake should be figured out by using the USDA zone info.

Planting Calendar for Spinach

Frost tolerance for spinach:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Spinach can survive in some cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant spinach in Shasta Lake is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant spinach and expect a good harvest is probably October. Any later than that and your spinach may not have a chance to fully mature. Starting your spinach indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Shasta Lake is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Shasta Lake last frost occurs after February 15 so be sure to be ready to cover your spinach in the event of one of those late frosts.

USDA Zone Info for Shasta Lake

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 Shasta Lake

You may be interested in your other planting guides for Shasta Lake.