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 earliest that you can plant creeping zinnia in Red Bluff should be determined by using 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.

You can plant creeping zinnia just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant creeping zinnia in Red Bluff 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. Any later than that and your creeping zinnia may not have a chance to really do well. If you are starting your creeping zinnia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Red Bluff the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Red Bluff is an average and the actual date of last frost changes from year to year. Half of the time in Red Bluff you get surprised by a frost after February 15 so make sure that you are ready to protect your creeping zinnia in the event of one of those late frosts.

USDA Zone Info for Red Bluff

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 Red Bluff

You may be interested in your other planting guides for Red Bluff.