One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when it's possible to plant eggplants by reviewing the USDA zone info for Columbia Falls.

Planting Calendar for Eggplants

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

Eggplants do not do well in cold weather which tells us that it is important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant eggplants in Columbia Falls 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. If you wait any later than that and your eggplants may not have a chance to fully mature. You can get started a few weeks earlier by starting your eggplants indoors.

Last Frost Date

The average date of last frost is April 15 in Columbia Falls. You should expect an average low temperature of -20°F in the coldest months of winter.

Keep in mind that USDA zone info for Columbia Falls is just an average and the actual date of last frost is different every year. Since half of the time in Columbia Falls last frost occurs after April 15 be ready to cover your eggplants if you have a surprise late frost.

USDA Zone Info for Columbia Falls

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Columbia Falls

You may be interested in your other planting guides for Columbia Falls.