One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Dayton you can figure out when it's a good idea to plant mecardonia by referring to the USDA zone info.

Planting Calendar for Mecardonia

Frost tolerance for mecardonia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably not a good idea to plant mecardonia until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant mecardonia in Dayton 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 mecardonia and expect a good harvest is probably September. Any later than that and your mecardonia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your mecardonia 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.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Dayton and it can change quite a bit from year to year. Half of the time in Dayton it frosts late in the year after February 15 so be sure to be ready to cover your mecardonia 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.