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

You will be able to figure out when you can plant schizanthus by referring to the USDA zone info for Columbiana.

Planting Calendar for Schizanthus

Frost tolerance for schizanthus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Schizanthus are not cold tolerant which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant schizanthus in Columbiana is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant schizanthus and expect a good harvest is probably August. If you wait any later than that and your schizanthus may not have a chance to really do well. You can get started a little bit earlier by starting your schizanthus indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Columbiana. In the coldest months of winter you can expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Columbiana is just an average and the actual date of last frost changes from year to year. Half of the time in Columbiana last frost occurs after April 15 so make sure that you are ready to cover your schizanthus if you have a surprise 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.