The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when you can plant erysimum in Banning by using the USDA zone info.

Planting Calendar for Erysimum

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

Erysimum do ok in moderate cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

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

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

Last Frost Date

On average the last frost is on February 15 in Banning. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Banning may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Banning last frost occurs after February 15 so be sure to be ready to cover your erysimum if you have 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.