One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant torenia in Cleveland can be determined by looking at the USDA zone info.

Planting Calendar for Torenia

Frost tolerance for torenia:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably a bad idea to plant torenia until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant torenia in Cleveland 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 torenia and expect a good harvest is probably September. Any later than that and your torenia may not have a chance to really do well. If you are starting your torenia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Cleveland the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Cleveland is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Cleveland there is a last frost after February 15 be ready to cover your torenia in the event of a surprise late frost.

USDA Zone Info for Cleveland

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Cleveland

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