One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

It's possible to determine when you can plant violas by referring to the USDA zone info for Lebanon.

Planting Calendar for Violas

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

Violas do ok in pretty solid cold which tells us that you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant violas in Lebanon 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 violas and expect a good harvest is probably September. 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 little bit earlier.

Last Frost Date

In Lebanon the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Lebanon may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Lebanon you get a frost after April 15 be ready to cover your violas if you have a late frost.

USDA Zone Info for Lebanon

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Lebanon

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