The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when it's a good idea to plant bellis by reviewing the USDA zone info for Dayton.

Planting Calendar for Bellis

Frost tolerance for bellis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since bellis do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant bellis 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 bellis and expect a good harvest is probably August. If you wait any later than that and your bellis may not have a chance to grow to maturity. Starting your bellis indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Dayton the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Remember that USDA zone info for Dayton is just an average and the actual date of last frost changes from year to year. Since half of the time in Dayton you get a frost after May 15 be ready to protect your bellis if you have a surprise late frost.

USDA Zone Info for Dayton

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Dayton

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