When can I plant Heuchera in Zone 12a

One of the first steps we take when we are making a decision about our gardening schedule is find our 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 heuchera in Zone 12a should be figured out by checking out the USDA zone info.


Planting Calendar for Heuchera

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

Since heuchera do well in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

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

The earliest that you can plant heuchera in Zone 12a 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 heuchera and expect a good harvest is probably November. If you wait any later than that and your heuchera may not have a chance to really do well. You can get started a little bit earlier by starting your heuchera indoors.

Last Frost Date

In Zone 12a it never frosts. It might get as low as 50°F during the coldest months of winter.

Remember that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 12a and it is different every year. Since it never frosts in Zone 12a you do not have to be ready to protect your heuchera in the event of a late frost.

USDA Zone Info for Zone 12a

Here is the info for USDA Zone 12a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low50°F
Highest Expected Low55°F

This means that on a really cold year, the coldest it will get is 50°F. On most years you should be prepared to experience lows near 55°F.

Plants to Grow in Zone 12a

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