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.

The first chance to plant creeping zinnia in Suisun City can be estimated by looking at the USDA zone info.

Planting Calendar for Creeping Zinnia

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

Since creeping zinnia are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant creeping zinnia in Suisun 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 creeping zinnia and expect a good harvest is probably September. If you wait any later than that and your creeping zinnia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your creeping zinnia indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Suisun City is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Suisun City there is a last frost after February 15 be ready to cover your creeping zinnia in the event of a surprise late frost.

USDA Zone Info for Suisun City

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 Suisun City

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