Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to figure out when it's the best time to plant bellis by using the USDA zone info for Decatur.

Planting Calendar for Bellis

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

Bellis can survive in some cold which tells us that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant bellis in Decatur 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 bellis and expect a good harvest is probably September. 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Decatur. It might get as low as -15°F during the coldest months of winter.

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

USDA Zone Info for Decatur

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Decatur

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