When to Plant Snow-in Summer in Onalaska, WI

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

The first chance to plant snow-in summer in Onalaska can be determined by reviewing the USDA zone info.

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Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Since snow-in summer do well in moderate cold you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant snow-in summer
Possibly ok, but a risky time to plant snow-in summer
Probably not a good time to plant snow-in summer

The earliest that you can plant snow-in summer in Onalaska 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 snow-in summer and expect a good harvest is probably August. You probably don't want to wait any later than that or else your snow-in summer may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your snow-in summer indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Onalaska. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Onalaska may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Onalaska last frost occurs after May 15 be ready to protect your snow-in summer in the event of a surprise late frost.

USDA Zone Info for Onalaska

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 Onalaska

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