When to Plant Begonias in Neenah, WI

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when to plant begonias is to consult the USDA zone info for Neenah.


Planting Calendar for Begonias

Frost tolerance for begonias: Not tolerant of frost.
When to plant: After the last frost.

It's probably not a good idea to plant begonias until after all chance of frost has passed because they are not cold tolerant.

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

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

The last month that you can plant begonias and expect a good harvest is probably August. Any later than that and your begonias may not have a chance to fully mature. Starting your begonias indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Neenah. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Neenah is just an average the actual date of last frost will vary from year to year. Since half of the time in Neenah it frosts late in the year after April 15 be ready to cover your begonias in the event of a surprise late frost.

USDA Zone Info for Neenah

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 Neenah

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