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.

The USDA zone info for Imperial can be reffered to in order to figure out when it's possible to plant plectranthus.

Planting Calendar for Plectranthus

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

Plectranthus require warm weather which tells us that you must wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant plectranthus in Imperial 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 really do well. You can get started a few weeks earlier by starting your plectranthus indoors.

Last Frost Date

In Imperial the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Imperial is an average and the actual date of last frost changes from year to year. Half of the time in Imperial you get a frost after January 31 so make sure that you are ready to cover your plectranthus in the event of a surprise late frost.

USDA Zone Info for Imperial

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Imperial

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