One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Perris you can estimate when you can plant california poppy by referring to the USDA zone info.

Planting Calendar for California Poppy

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

You can plant california poppy slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant california poppy in Perris is February. However, you really should wait until March 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 September. If you wait 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 few weeks earlier.

Last Frost Date

In Perris the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Perris is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Perris there is a last frost after February 15 so make sure that you are ready to protect your california poppy in the event of one of those late frosts.

USDA Zone Info for Perris

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 Low	25°F
Highest Expected Low	30°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 Perris

You may be interested in your other planting guides for Perris.