One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Decatur you can figure out when you can plant platycodon by using the USDA zone info.

Planting Calendar for Platycodon

Frost tolerance for platycodon:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Platycodon can survive in very little cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant platycodon in Decatur 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 platycodon and expect a good harvest is probably August. Any later than that and your platycodon may not have a chance to fully mature. You can get started a little bit earlier by starting your platycodon indoors.

Last Frost Date

The average date of last frost is March 15 in Decatur. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Decatur is an average the actual date of last frost changes from year to year. Half of the time in Decatur you get surprised by a frost after March 15 so make sure that you are ready to cover your platycodon if you have a surprise late frost.

USDA Zone Info for Decatur

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Decatur

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