When to Plant Violets in Sparta, WI

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 first opportunity to plant violets in Sparta should be determined by referring to the USDA zone info.

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Planting Calendar for Violets

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

Violets do ok in mild cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant violets
Possibly ok, but a risky time to plant violets
Probably not a good time to plant violets

The earliest that you can plant violets in Sparta is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant violets and expect a good harvest is probably August. If you wait any later than that and your violets may not have a chance to fully mature. You can get started a few weeks earlier by starting your violets indoors.

Last Frost Date

The average date of last frost is May 15 in Sparta. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Sparta and it is different every year. Since half of the time in Sparta it frosts late in the year after May 15 be ready to protect your violets if you have one of those late frosts.

USDA Zone Info for Sparta

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Sparta

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