When can I plant Roses in Zone 12b

One of the best tools that we have as gardeners to help us determine our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The best time to plant roses in Zone 12b can be estimated by looking at the USDA zone info.


Planting Calendar for Roses

Frost tolerance for roses: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Roses tend to make it in mild cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

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

The earliest that you can plant roses in Zone 12b 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 roses and expect a good harvest is probably November. You probably don't want to wait any later than that or else your roses may not have a chance to fully mature. If you are starting your roses indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Zone 12b it never frosts. It might get as low as 55°F during the coldest months of winter.

It's important to remember that our actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Zone 12b and it can change quite a bit from year to year. Since it never frosts in Zone 12b you do not have to be ready to cover your roses if we have one of those late frosts.

USDA Zone Info for Zone 12b

Here is the info for USDA Zone 12b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low55°F
Highest Expected Low60°F

This means that on a really cold year, the coldest it will get is 55°F. On most years you should be prepared to experience lows near 60°F.

Plants to Grow in Zone 12b

You may be interested in our other planting guides for Zone 12b.