When to Plant Lisianthus in Marquette, MI

One of the best tools that you have as gardeners to help us determine 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 earliest that you can plant lisianthus in Marquette 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 the last frost when the weather gets warmer.

You can not plant lisianthus until after the last frost because they require warm 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 Marquette 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. If you wait any later than that and your lisianthus may not have a chance to grow to maturity. Starting your lisianthus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Marquette. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Marquette is just an average and the actual date of last frost changes from year to year. Since half of the time in Marquette you get a frost after April 15 be ready to cover your lisianthus if you have one of those late frosts.

USDA Zone Info for Marquette

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 Marquette

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