Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to figure out when you can plant didiscus by checking out the USDA zone info for Barstow.

Planting Calendar for Didiscus

Frost tolerance for didiscus:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Didiscus do ok in very little 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 didiscus in Barstow 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 didiscus and expect a good harvest is probably September. Any later than that and your didiscus may not have a chance to really do well. Starting your didiscus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Barstow. In the coldest months of winter you should expect an average low temperature of 20°F.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Barstow and it can change quite a bit from year to year. Half of the time in Barstow last frost occurs after February 15 so just be sure to be ready to protect your didiscus in the event of a late frost.

USDA Zone Info for Barstow

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Barstow

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