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.

By using the USDA zone info for Boerne it's a good idea to estimate when you can plant steirodiscus.

Planting Calendar for Steirodiscus

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

Steirodiscus are barely cold tolerant which tells us that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant steirodiscus in Boerne 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 steirodiscus and expect a good harvest is probably August. Any later than that and your steirodiscus may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your steirodiscus indoors.

Last Frost Date

In Boerne 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 Boerne is just an average and the actual date of last frost changes from year to year. Half of the time in Boerne it frosts late in the year after March 15 so just be sure to be ready to cover your steirodiscus if you have a surprise late frost.

USDA Zone Info for Boerne

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 Boerne

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