The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Gustine you can estimate when you can plant california poppy by reviewing 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.

Since california poppy do ok in moderate cold you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant california poppy in Gustine 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. Any later than that and your california poppy may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your california poppy indoors.

Last Frost Date

In Gustine the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Gustine is just an average the actual date of last frost changes from year to year. Half of the time in Gustine you get surprised by a frost after February 15 so just be sure to be ready to cover your california poppy in the event of a late frost.

USDA Zone Info for Gustine

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 Gustine

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