When to Plant Oriental poppies in San Jacinto, CA

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

You can figure out when it's a good idea to plant oriental poppies in San Jacinto by checking out the USDA zone info.


Planting Calendar for Oriental poppies

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

Oriental poppies are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier 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 San Jacinto 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. Any later than that and your oriental poppies may not have a chance to fully mature. Starting your oriental poppies indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on February 15 in San Jacinto. It might get as low as 25°F during the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for San Jacinto and it changes from year to year. Half of the time in San Jacinto there is a last frost after February 15 so be sure to be ready to protect your oriental poppies if you have a surprise late frost.

USDA Zone Info for San Jacinto

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in San Jacinto

You may be interested in your other planting guides for San Jacinto.