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.

You can estimate when you can plant california poppy in Crystal City by looking at 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.

California Poppy are barely cold tolerant which means that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant california poppy in Crystal City 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 fully mature. If you are starting your california poppy indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Crystal City the average date of last frost happens on February 15. You should expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Crystal City is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Crystal City you get surprised by a frost after February 15 be ready to cover your california poppy if you have a late frost.

USDA Zone Info for Crystal City

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Crystal City

You may be interested in your other planting guides for Crystal City.