The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when it's a good idea to plant neeps is to refer to the USDA zone info for Caribou.

Planting Calendar for Neeps

Frost tolerance for neeps:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since neeps do not do well in cold weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant neeps in Caribou is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant neeps and expect a good harvest is probably August. You probably don't want to wait any later than that or else your neeps may not have a chance to grow to maturity. If you are starting your neeps indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on May 15 in Caribou. In the coldest months of winter you should expect an average low temperature of -30°F.

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

USDA Zone Info for Caribou

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Caribou

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