One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's possible to plant spinach is to use the USDA zone info for Rittman.

Planting Calendar for Spinach

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

Spinach are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant spinach in Rittman 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. You probably don't want to wait any later than that or else your spinach may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your spinach indoors.

Last Frost Date

The average date of last frost is April 15 in Rittman. You should expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Rittman is just an average and the actual date of last frost will vary from year to year. Half of the time in Rittman there is a last frost after April 15 so make sure that you are ready to cover your spinach if you have a late frost.

USDA Zone Info for Rittman

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 Rittman

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