One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant arctotis in San Bernardino should be figured out by using the USDA zone info.

Planting Calendar for Arctotis

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

Arctotis tend to make it in moderate 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 San Bernardino 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. If you wait any later than that and your arctotis may not have a chance to really do well. You can get started a few weeks earlier by starting your arctotis indoors.

Last Frost Date

The average date of last frost is February 15 in San Bernardino. 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 an average because it is based on the USDA zone info for San Bernardino and it is different every year. Since half of the time in San Bernardino there is a last frost after February 15 be ready to cover your arctotis if you have one of those late frosts.

USDA Zone Info for San Bernardino

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 San Bernardino

You may be interested in your other planting guides for San Bernardino.