The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Banning you can figure out when to plant steirodiscus by looking at the USDA zone info.

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.

You can plant steirodiscus a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant steirodiscus in Banning 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 steirodiscus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your steirodiscus may not have a chance to really do well. You can get started a little bit earlier by starting your steirodiscus indoors.

Last Frost Date

The average date of last frost is February 15 in Banning. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Banning is just an average the actual date of last frost will vary from year to year. Since half of the time in Banning there is a last frost after February 15 be ready to cover your steirodiscus in the event of a surprise late frost.

USDA Zone Info for Banning

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Banning

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