One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant violets in Pleasant Prairie should be figured out by looking at the USDA zone info.

Planting Calendar for Violets

Frost tolerance for violets:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since violets are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant violets in Pleasant Prairie 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 violets and expect a good harvest is probably September. You probably don't want to wait any later than that or else your violets may not have a chance to grow to maturity. Starting your violets indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Pleasant Prairie. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Pleasant Prairie is not always accurate the actual date of last frost changes from year to year. Since half of the time in Pleasant Prairie you get surprised by a frost after April 15 be ready to protect your violets if you have one of those late frosts.

USDA Zone Info for Pleasant Prairie

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Pleasant Prairie

You may be interested in your other planting guides for Pleasant Prairie.