One of the best tools that you have as gardeners to help us estimate 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.

The earliest that you can plant spinach in Brewer can be estimated by checking out 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 can survive in some cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant spinach in Brewer 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 grow to maturity. Starting your spinach indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Brewer. You should expect an average low temperature of -20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Brewer 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 Brewer it frosts late in the year after April 15 so make sure that you are ready to cover your spinach if you have a late frost.

USDA Zone Info for Brewer

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Brewer

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