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.

The USDA zone info for Decatur should be reviewed to figure out when it's a good idea to plant hosta.

Planting Calendar for Hosta

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

Since hosta are moderately cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant hosta 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 hosta and expect a good harvest is probably September. Any later than that and your hosta may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your hosta indoors.

Last Frost Date

In Decatur the average date of last frost happens on April 15. You can expect an average low temperature of 5°F in the coldest months of winter.

Keep in mind that USDA zone info for Decatur is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Decatur there is a last frost after April 15 be ready to cover your hosta if you have a late frost.

USDA Zone Info for Decatur

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°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.