One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Floresville you can determine when to plant columbine by looking at the USDA zone info.

Planting Calendar for Columbine

Frost tolerance for columbine:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Columbine do well in moderate cold which means that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant columbine in Floresville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant columbine and expect a good harvest is probably September. If you wait any later than that and your columbine may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your columbine indoors.

Last Frost Date

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

Since the USDA zone info for Floresville is just an average the actual date of last frost will vary from year to year. Half of the time in Floresville last frost occurs after March 15 so make sure that you are prepared to cover your columbine if you have one of those late frosts.

USDA Zone Info for Floresville

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 Floresville

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