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

By reviewing the USDA zone info for Andover it's a good idea to determine when it's the best time to plant snow peas.

Planting Calendar for Snow peas

Frost tolerance for snow peas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Snow peas are very cold tolerant which tells us that you can plant them much earlier than other frost tender plants.

The earliest that you can plant snow peas in Andover is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant snow peas and expect a good harvest is probably August. You probably don't want to wait any later than that or else your snow peas may not have a chance to fully mature. You can get started a little bit earlier by starting your snow peas indoors.

Last Frost Date

In Andover the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Just be sure to remember that USDA zone info for Andover may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Andover you get surprised by a frost after May 15 so make sure that you are ready to cover your snow peas if you have one of those late frosts.

USDA Zone Info for Andover

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Andover

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