One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. 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 Hays can be read 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 not a good idea to plant lisianthus until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant lisianthus in Hays 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. You can get started a little bit earlier by starting your lisianthus indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Hays. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Hays may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Hays last frost occurs after April 15 so just be sure to be ready to cover your lisianthus in the event of one of those late frosts.

USDA Zone Info for Hays

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 Hays

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