When to Plant Spinach in Shenandoah, IA

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

The USDA zone info for Shenandoah can be looked at to figure out when it's possible 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.

Since spinach are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant spinach
Possibly ok, but a risky time to plant spinach
Probably not a good time to plant spinach

The earliest that you can plant spinach in Shenandoah 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. 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

In Shenandoah the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Shenandoah is just an average and the actual date of last frost is different every year. Half of the time in Shenandoah you get surprised by a frost after April 15 so be sure to be ready to protect your spinach if you have a surprise late frost.

USDA Zone Info for Shenandoah

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 Shenandoah

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