One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Round Rock you can figure out when it's the best time to plant bee balm by reviewing the USDA zone info.

Planting Calendar for Bee Balm

Frost tolerance for bee balm:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since bee balm are barely cold tolerant you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant bee balm in Round Rock is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant bee balm and expect a good harvest is probably August. Any later than that and your bee balm may not have a chance to really do well. You can get started a couple of weeks earlier by starting your bee balm indoors.

Last Frost Date

The average date of last frost is March 15 in Round Rock. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Round Rock is just an average the actual date of last frost will vary from year to year. Half of the time in Round Rock you get surprised by a frost after March 15 so make sure that you are ready to cover your bee balm in the event of a late frost.

USDA Zone Info for Round Rock

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 Round Rock

You may be interested in your other planting guides for Round Rock.