One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when it's the best time to plant lisianthus is to check out the USDA zone info for Algonac.

Planting Calendar for Lisianthus

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

It's probably a bad idea to plant lisianthus until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant lisianthus in Algonac 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. If you are starting your lisianthus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Algonac. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Algonac is not always accurate and the actual date of last frost is different every year. Since half of the time in Algonac you get surprised by a frost after April 15 be ready to protect your lisianthus if you have a surprise late frost.

USDA Zone Info for Algonac

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Algonac

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