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.

One way of determining when it's a good idea to plant begonias is to look at the USDA zone info for Fairmont.

Planting Calendar for Begonias

Frost tolerance for begonias:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Begonias do not do well in cold weather which means that it's necessary 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 begonias in Fairmont 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 begonias and expect a good harvest is probably August. Any later than that and your begonias may not have a chance to really do well. You can get started a couple of weeks earlier by starting your begonias indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Fairmont. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Fairmont is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Fairmont you get surprised by a frost after April 15 be ready to protect your begonias if you have one of those late frosts.

USDA Zone Info for Fairmont

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 Fairmont

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