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.

In Morris Plains you can determine when you can plant lisianthus by looking at the USDA zone info.

Planting Calendar for Lisianthus

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

Since lisianthus are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant lisianthus in Morris Plains 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 fully mature. Starting your lisianthus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Morris Plains. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Morris Plains is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Morris Plains you get a frost after April 15 so be sure to be ready to protect your lisianthus in the event of one of those late frosts.

USDA Zone Info for Morris Plains

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 Morris Plains

You may be interested in your other planting guides for Morris Plains.