Before planting it is a good idea to find your USDA Zone info to determine 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.

In Polson you can estimate when it's the best time to plant painted tongues by looking at the USDA zone info.

Planting Calendar for Painted Tongues

Frost tolerance for painted tongues:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Painted Tongues require warm weather which tells us that it's important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant painted tongues 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 painted tongues and expect a good harvest is probably August. If you wait any later than that and your painted tongues may not have a chance to really do well. If you are starting your painted tongues 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 April 15 in Polson. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Polson is just an average the actual date of last frost will vary from year to year. Half of the time in Polson last frost occurs after April 15 so be sure to be ready to protect your painted tongues if you have 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.