The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's possible to plant violas in Cleveland by referring to the USDA zone info.

Planting Calendar for Violas

Frost tolerance for violas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant violas a lot earlier in the year because they are very cold tolerant.

The earliest that you can plant violas in Cleveland is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant violas and expect a good harvest is probably October. If you wait any later than that and your violas may not have a chance to grow to maturity. If you are starting your violas indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Cleveland. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Cleveland may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Cleveland it frosts late in the year after February 15 be ready to cover your violas if you have a 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.