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.

By checking out the USDA zone info for Dayton it's a good idea to estimate when to plant creeping zinnia.

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 do ok in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant creeping zinnia in Dayton 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 couple of weeks earlier by starting your creeping zinnia indoors.

Last Frost Date

The average date of last frost is February 15 in Dayton. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Dayton is an average the actual date of last frost is different every year. Since half of the time in Dayton you get a frost after February 15 be ready to protect your creeping zinnia if you have a late frost.

USDA Zone Info for Dayton

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 Dayton

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