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.

A common way of determining when you can plant arctotis is to look at the USDA zone info for Simi Valley.

Planting Calendar for Arctotis

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

Arctotis do well in mild cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant arctotis in Simi Valley 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 arctotis and expect a good harvest is probably October. Any later than that and your arctotis may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your arctotis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Simi Valley. You should expect an average low temperature of 25°F in the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Simi Valley and it will vary from year to year. Since half of the time in Simi Valley it frosts late in the year after February 15 be ready to protect your arctotis if you have one of those late frosts.

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.