When can I plant Oriental poppies in Zone 10b

Before planting it is a good idea to find our USDA Zone info to figure out our garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

A way of estimating when it's possible to plant oriental poppies is to refer to the USDA zone info for Zone 10b.


Planting Calendar for Oriental poppies

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

Since oriental poppies are moderately cold tolerant you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant oriental poppies in Zone 10b 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 oriental poppies and expect a good harvest is probably October. If you wait any later than that and your oriental poppies may not have a chance to really do well. If you are starting your oriental poppies indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Zone 10b the average date of last frost happens on January 31. We should expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Zone 10b is an average our actual date of last frost changes from year to year. Since half of the time in Zone 10b we get surprised by a frost after January 31 be ready to cover your oriental poppies in the event of one of those late frosts.

USDA Zone Info for Zone 10b

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low35°F
Highest Expected Low40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Zone 10b

You may be interested in our other planting guides for Zone 10b.