The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Hickory Hills you should be able to determine when it's the best time to plant spinach.

Planting Calendar for Spinach

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

Spinach are moderately cold tolerant which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant spinach in Hickory Hills 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. You can get started a couple of weeks earlier by starting your spinach indoors.

Last Frost Date

The average date of last frost is April 15 in Hickory Hills. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Hickory Hills is just an average the actual date of last frost changes from year to year. Half of the time in Hickory Hills there is a last frost after April 15 so make sure that you are prepared to cover your spinach in the event of a surprise late frost.

USDA Zone Info for Hickory Hills

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Hickory Hills

You may be interested in your other planting guides for Hickory Hills.