When can I plant Plectranthus in Zone 8a

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

You will be able to determine when it's a good idea to plant plectranthus by referring to the USDA zone info for Zone 8a.


Planting Calendar for Plectranthus

Frost tolerance for plectranthus: Not tolerant of frost.
When you should plant them: After the last frost.

It's probably not a good idea to plant plectranthus until after the last frost has passed because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant plectranthus
Possibly ok, but a risky time to plant plectranthus
Probably not a good time to plant plectranthus

The earliest that you can plant plectranthus in Zone 8a is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant plectranthus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your plectranthus may not have a chance to really do well. If you are starting your plectranthus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Zone 8a. It might get as low as 10°F during the coldest months of winter.

It's important to remember that USDA zone info for Zone 8a is not always accurate and our actual date of last frost can change quite a bit from year to year. Half of the time in Zone 8a there is a last frost after March 15 so be sure to be ready to protect your plectranthus in the event of a late frost.

USDA Zone Info for Zone 8a

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low10°F
Highest Expected Low15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Zone 8a

You may be interested in our other planting guides for Zone 8a.