When to Plant Lisianthus in New Berlin, WI

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant lisianthus in New Berlin can be estimated by checking out the USDA zone info.


Planting Calendar for Lisianthus

Frost tolerance for lisianthus: Not tolerant of frost.
When to plant: After all chance of frost has passed.

It's not a good idea to plant lisianthus until after the last frost because they do not do well in cold weather.

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

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

Last Frost Date

On average the last frost is on April 15 in New Berlin. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for New Berlin is not always accurate and the actual date of last frost changes from year to year. Half of the time in New Berlin it frosts late in the year after April 15 so just be sure to be ready to cover your lisianthus if you have a late frost.

USDA Zone Info for New Berlin

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 New Berlin

You may be interested in your other planting guides for New Berlin.