When can I plant Oriental poppies in Zone 10a

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.

You can determine when it's the best time to plant oriental poppies in Zone 10a by reviewing the USDA zone info.


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.

Oriental poppies can survive in mild cold which tells us that you can plant them a little bit earlier in the year than other plants that might not handle 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 10a 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. You probably don't want to wait any later than that or else your oriental poppies may not have a chance to really do well. Starting your oriental poppies indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Zone 10a. We should expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Zone 10a may not be accurate from year to year and our actual date of last frost will vary from year to year. Half of the time in Zone 10a last frost occurs after January 31 so make sure that you are prepared to cover your oriental poppies in the event of one of those late frosts.

USDA Zone Info for Zone 10a

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Zone 10a

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