When to Plant Eggplants in Polson, MT

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant eggplants in Polson can be determined by looking at the USDA zone info.


Planting Calendar for Eggplants

Frost tolerance for eggplants: Not tolerant of frost.
When to plant: After the last frost.

Since eggplants are not cold tolerant you need to wait until after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant eggplants
Possibly ok, but a risky time to plant eggplants
Probably not a good time to plant eggplants

The earliest that you can plant eggplants 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 eggplants and expect a good harvest is probably August. You probably don't want to wait any later than that or else your eggplants may not have a chance to really do well. Starting your eggplants indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Polson the average date of last frost happens on April 15. You should expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Polson may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Polson last frost occurs after April 15 be ready to protect your eggplants 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.