When to Plant Spinach in Bethlehem, PA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant spinach in Bethlehem should be estimated by referring to 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 do well in moderate cold which tells us that you can start planting them earlier 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 Bethlehem 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 fully mature. You can get started a little bit earlier by starting your spinach indoors.

Last Frost Date

In Bethlehem the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Bethlehem is not always accurate the actual date of last frost changes from year to year. Half of the time in Bethlehem last frost occurs after April 15 so make sure that you are prepared to cover your spinach if you have a late frost.

USDA Zone Info for Bethlehem

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Bethlehem

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