Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's the best time to plant violets is to refer to the USDA zone info for Waukee.

Planting Calendar for Violets

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

Violets do well in moderate cold which means that you can get them planted earlier than more sensitive plants.

The earliest that you can plant violets in Waukee 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. If you wait any later than that and your violets may not have a chance to really do well. You can get started a little bit earlier by starting your violets indoors.

Last Frost Date

The average date of last frost is April 15 in Waukee. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Waukee is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Waukee it frosts late in the year after April 15 be ready to protect your violets in the event of a surprise late frost.

USDA Zone Info for Waukee

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Waukee

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