One of the first steps you take when you are figuring out 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.

A way of determining when it's possible to plant alternanthera is to refer to the USDA zone info for Morris Plains.

Planting Calendar for Alternanthera

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

Since alternanthera are not cold tolerant it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant alternanthera 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 alternanthera and expect a good harvest is probably August. Any later than that and your alternanthera may not have a chance to really do well. Starting your alternanthera indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is 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 an average the actual date of last frost changes from year to year. Half of the time in Morris Plains you get surprised by a frost after April 15 so just be sure to be ready to protect your alternanthera if you have a late frost.

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.