One of the first steps you take when you are estimating 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.

By reviewing the USDA zone info for Mexico it's possible to estimate when it's a good idea to plant california poppy.

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 can survive in some cold which means that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant california poppy in Mexico is March. However, you really should wait until April 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 August. Any later than that and your california poppy may not have a chance to really do well. If you are starting your california poppy indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Mexico. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Mexico may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Mexico you get a frost after April 15 so make sure that you are ready to protect your california poppy if you have one of those late frosts.

USDA Zone Info for Mexico

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Mexico

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