Before planting it is a good idea to find your USDA Zone info to estimate 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.

The first chance to plant plectranthus in Zone 10b should be figured out by looking at the USDA zone info.

Planting Calendar for Plectranthus

Frost tolerance for plectranthus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You really shouldn't plant plectranthus until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant plectranthus in Zone 10b 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 plectranthus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your plectranthus may not have a chance to grow to maturity. Starting your plectranthus indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Zone 10b. You can expect an average low temperature of 35°F in the coldest months of winter.

It's important to remember that USDA zone info for Zone 10b is not always accurate and the actual date of last frost is different every year. Half of the time in Zone 10b last frost occurs after January 31 so always be ready to cover your plectranthus in the event of a late frost.

USDA Zone Info for Zone 10b

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Zone 10b

You may be interested in your other planting guides for Zone 10b.