One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

In Shelby you can estimate when it's possible to plant spinach 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.

Spinach tend to make it in moderate cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant spinach in Shelby 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 spinach and expect a good harvest is probably September. If you wait any later than that and your spinach may not have a chance to really do well. If you are starting your spinach indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Shelby. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Shelby is an average the actual date of last frost changes from year to year. Since half of the time in Shelby it frosts late in the year after April 15 be ready to cover your spinach in the event of a late frost.

USDA Zone Info for Shelby

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Shelby

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