One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant asparagus lettuce in Polson can be figured out by using the USDA zone info.

Planting Calendar for Asparagus lettuce

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

Asparagus lettuce require warm weather which means that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant asparagus lettuce in Polson is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant asparagus lettuce and expect a good harvest is probably August. Any later than that and your asparagus lettuce may not have a chance to really do well. You can get started a few weeks earlier by starting your asparagus lettuce indoors.

Last Frost Date

On average the last frost is on April 15 in Polson. You can expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Polson is not always accurate and the actual date of last frost is different every year. Half of the time in Polson last frost occurs after April 15 so be sure to be ready to cover your asparagus lettuce in the event of a late frost.

USDA Zone Info for Polson

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 Polson

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