When can I plant Peonies in Zone 11a

One of the best tools that we have as gardeners to help us figure out our gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

A way of making a decision about when it's possible to plant peonies is to consult the USDA zone info for Zone 11a.


Planting Calendar for Peonies

Frost tolerance for peonies: Tolerant of a very small amount of frost.
When you should plant them: Up to 3 weeks before last frost.

Since peonies are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

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

The earliest that you can plant peonies in Zone 11a 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 peonies and expect a good harvest is probably November. If you wait any later than that and your peonies may not have a chance to grow to maturity. If you are starting your peonies indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Zone 11a it never frosts. It might get as low as 40°F during the coldest months of winter.

Remember that USDA zone info for Zone 11a is just an average and our actual date of last frost changes from year to year. Since it never frosts in Zone 11a you do not have to be ready to protect your peonies in the event of a surprise late frost.

USDA Zone Info for Zone 11a

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low40°F
Highest Expected Low45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Zone 11a

You may be interested in our other planting guides for Zone 11a.