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.

A way of making a decision about when you can plant begonias is to look at the USDA zone info for Lamar.

Planting Calendar for Begonias

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

It's a bad idea to plant begonias until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant begonias in Lamar 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 grow to maturity. Starting your begonias indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Lamar. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Lamar is just an average the actual date of last frost will vary from year to year. Half of the time in Lamar you get a frost after April 15 so make sure that you are ready to cover your begonias in the event of one of those late frosts.

USDA Zone Info for Lamar

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Lamar

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