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 USDA zone info for Liberty Lake can be used to figure out when it's possible 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 tend to make it in quite a bit of cold which means that you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant snow peas in Liberty Lake 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 snow peas and expect a good harvest is probably September. You probably don't want to wait any later than that or else your snow peas may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your snow peas indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Liberty Lake. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Liberty Lake is just an average the actual date of last frost is different every year. Since half of the time in Liberty Lake you get a frost after April 15 be ready to cover your snow peas in the event of one of those late frosts.

USDA Zone Info for Liberty Lake

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 Low	0°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 Liberty Lake

You may be interested in your other planting guides for Liberty Lake.