One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

One way of making a decision about when you can plant spinach is to use the USDA zone info for Bangor.

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 moderately cold tolerant you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant spinach in Bangor 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 really do well. You can get started a few weeks earlier by starting your spinach indoors.

Last Frost Date

In Bangor the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Bangor is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Bangor you get surprised by a 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 Bangor

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 Bangor

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