One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when to plant violas by using the USDA zone info for Platte City.

Planting Calendar for Violas

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

Since violas do well in cold you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant violas in Platte City 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. You probably don't want to wait any later than that or else your violas may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your violas indoors.

Last Frost Date

The average date of last frost is April 15 in Platte City. In the coldest months of winter you should expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Platte City is just an average and the actual date of last frost will vary from year to year. Since half of the time in Platte City it frosts late in the year after April 15 be ready to cover your violas in the event of a surprise late frost.

USDA Zone Info for Platte City

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 Platte City

You may be interested in your other planting guides for Platte City.