When can I plant California Poppy 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 most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

A common way of getting a good idea when you can plant california poppy is to look at the USDA zone info for Zone 11a.


Planting Calendar for California Poppy

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

Since california poppy are barely cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

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

The earliest that you can plant california poppy 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 california poppy and expect a good harvest is probably November. Any later than that and your california poppy may not have a chance to really do well. Starting your california poppy indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Zone 11a it never frosts. In the coldest months of winter we should expect an average low temperature of 40°F.

Since the USDA zone info for Zone 11a is not always accurate our actual date of last frost will vary from year to year. Since it never frosts in Zone 11a you do not have to be ready to protect your california poppy in the event of a 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.