The USDA Zone info is a great tool for gardeners to help us estimate 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 USDA zone info for Wasilla should be reviewed to figure out when it's the best time to plant lisianthus.

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 the last frost because they are not cold tolerant.

The earliest that you can plant lisianthus in Wasilla 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 really do well. 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

In Wasilla the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Wasilla is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Wasilla it frosts late in the year after April 15 be ready to cover your lisianthus in the event of a surprise late frost.

USDA Zone Info for Wasilla

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Wasilla

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