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.

You should be able to determine when it's the best time to plant begonias by referring to the USDA zone info for Montgomery.

Planting Calendar for Begonias

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

You can not plant begonias until after the last frost because they are not cold tolerant.

The earliest that you can plant begonias in Montgomery 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. If you wait any later than that and your begonias may not have a chance to fully mature. 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 Montgomery. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Montgomery and it will vary from year to year. Half of the time in Montgomery last frost occurs after April 15 so be sure to be ready to protect your begonias in the event of a surprise late frost.

USDA Zone Info for Montgomery

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Montgomery

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