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 best time to plant lisianthus in Edgerton can be estimated by referring to the USDA zone info.

Planting Calendar for Lisianthus

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

It's not a good idea to plant lisianthus until after the last frost because they require warm weather.

The earliest that you can plant lisianthus in Edgerton 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. You probably don't want to wait any later than that or else your lisianthus may not have a chance to really do well. If you are starting your lisianthus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Edgerton. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for Edgerton is an average the actual date of last frost is different every year. Since half of the time in Edgerton it frosts late in the year after April 15 be ready to cover your lisianthus in the event of one of those late frosts.

USDA Zone Info for Edgerton

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 Edgerton

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