Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's a good idea to plant begonias is to examine the USDA zone info for Ogallala.

Planting Calendar for Begonias

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

Since begonias require warm weather it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant begonias in Ogallala 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. Starting your begonias indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Ogallala. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Ogallala is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Ogallala you get surprised by a frost after April 15 be ready to cover your begonias if you have a surprise late frost.

USDA Zone Info for Ogallala

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 Ogallala

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