Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Columbiana should be read to determine when to plant steirodiscus.

Planting Calendar for Steirodiscus

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

Steirodiscus are barely cold tolerant which tells us that you can get them planted just a bit earlier than other plants that might not handle the cold.

The earliest that you can plant steirodiscus in Columbiana 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 steirodiscus and expect a good harvest is probably August. If you wait any later than that and your steirodiscus may not have a chance to grow to maturity. If you are starting your steirodiscus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Columbiana the average date of last frost happens on April 15. You should expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Columbiana and it is different every year. Half of the time in Columbiana you get surprised by a frost after April 15 so just be sure to be ready to protect your steirodiscus if you have a late frost.

USDA Zone Info for Columbiana

Here is the info for USDA Zone 6a.

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

Plants to Grow in Columbiana

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