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 opportunity to plant spinach in Coos Bay should be determined by checking out 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.

Since spinach do well in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant spinach in Coos Bay 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. If you wait any later than that and your spinach may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your spinach indoors.

Last Frost Date

In Coos Bay the average date of last frost happens on February 15. You should expect an average low temperature of 20°F in the coldest months of winter.

It's important to remember that USDA zone info for Coos Bay is not always accurate and the actual date of last frost is different every year. Half of the time in Coos Bay you get surprised by a frost after February 15 so make sure that you are prepared to protect your spinach in the event of a surprise late frost.

USDA Zone Info for Coos Bay

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 Coos Bay

You may be interested in your other planting guides for Coos Bay.