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

In Simi Valley you can determine when it's possible 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.

Since steirodiscus are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant steirodiscus in Simi Valley 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. Any later than that and your steirodiscus may not have a chance to really do well. Starting your steirodiscus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Simi Valley is not always accurate and the actual date of last frost is different every year. Since half of the time in Simi Valley there is a last frost after February 15 be ready to protect your steirodiscus in the event of a late frost.

USDA Zone Info for Simi Valley

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 Simi Valley

You may be interested in your other planting guides for Simi Valley.