One of the best tools that you have as gardeners to help us figure out 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.

In Helotes you can figure out when it's the best time to plant begonias by checking out the USDA zone info.

Planting Calendar for Begonias

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

Since begonias do not do well in cold weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant begonias in Helotes 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. You probably don't want to wait any later than that or else your begonias may not have a chance to grow to maturity. You can get started a little bit earlier by starting your begonias indoors.

Last Frost Date

In Helotes the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Keep in mind that USDA zone info for Helotes is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Helotes you get a frost after March 15 be ready to cover your begonias in the event of a surprise late frost.

USDA Zone Info for Helotes

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Helotes

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